OK, lots of opinions here. Some good, some silly, some...well...
I am PADI Staff Instructor. If you have not yet taken the IDC, you do not yet know what the IE is all about. You are being a little bit...Please excuse, I don't mean to judge, but I can't find other words that convey...You are being presumptuous and selfish.
The IE is NOT a solo exercise. It is a class/group exercise. You will be pretending to be a student with issues, and others will be pretending to be your student. Using a set of gear that fits YOUR idea of what is (right? cool? "true to your intent??? whatever! ) is going to throw a monkey into the wrench. You would have to make certain that all of your classmates were not only aware of your rig, but have practiced with it in various scenarios with you as their "student with issues." And do you know how to conduct such training, or does your Staffie/CD have to do extra sessions to help everyone adapt to YOU?? Are you really saying that your personal preference should take such priority that your teammates should spend an extra day practicing with your pet set of gear, rather than studying for exams or practicing skills, or resting up??
With all due respect to Peter, No, you should NOT do the IE in the "
gear that allows you to be most comfortable." You should do it in the gear that allows you AND YOUR CLASSMATES the best chance to pass and not run into avoidable problems.
BTW, not running into avoidable problems is at the heart of being a good scuba instructor. If you are not thinking that way during your IDC/IE, you need to get on board real quick, or you are going to learn the hard way that new instructors who think they have figured it all out are more often than not in for a big shock when they discover that they are not as smart as they think they are. If you cannot see the big picture and note your responsibility to your IDC team, then I wouldn't trust you to teach someone that I care about.
Seriously, and I mean this with all due respect, if you are already making decisions like this, and already presuming to know what is best for OW students before even finishing the IDC, you need to take a step back and do an ego check. You think you already know what is best for students in the OW course? That is not a good place to start. A little humility will tell you that you should maybe - just maybe - be prepared to ASK YOUR STUDENTS on each course what they are planning to do with diving, and teach/gear up accordingly. Most will not be buying gear right away. For them, use the stuff that most resorts use for guests. For those with a go-getter attitude that want to buy gear, go for it - tell them what you think is best and sell it to them. But let THEM decide what they want, and then you decide how to provide it. (That's called "customer service" BTW).
Sorry to be so harsh, but the very idea that you are asking this question demands that somebody give you a blunt answer and make you at least take a look at your motivations. I see ego at work. I don't see empathy or concern for others in your question. What do you think is more important for OW instructors - empathy?? or "being true to your intent??"
Unless your intent is: serving your students' best interests, finding out these interests for each individual, avoiding unnecessary complications and risks, and helping them to succeed as best they can, then you need to re-prioritize, and you need to think about why you want to teach. So you can be the big man with the cool gear and the bright ideas? Or so your students can succeed and fulfill their dreams of being divers?
Get back to me about this - I'd like to hear how you proceed. I'm not trying to cut you down, I am trying to teach you something that will serve you well. Because I want you to succeed, in the IE and in your teaching afterwards. I want you to succeed. Everything I said here was said with that one, single goal. I don't care if you like me or not, and I don't care if I bruise your ego. I only care about your success in teaching.
---------- Post added February 16th, 2015 at 04:04 AM ----------
One more thing before everyone jumps in about "not being able to teach other gear configurations."
I can teach any gear configuration you want. If not, give me a day and I'll teach it tomorrow. Learning every rig possibility is not currently the scope of the IDC. Maybe it should be, and maybe it should last 2 months and cost $10k and weed out those not that serious. And maybe frogs SHOULD learn to fly so their butts don't get sore.
In the current consensus reality, the IE is what it is, and it IS a team effort, and frankly, maybe for some candidates, learning to adapt to a team situation is far more important than making the team learn to adapt to YOU. Depends on your center of attention. Mine is always on the other - the team or the student. If you think the focus should be on YOU...then in my opinion, you will likely be a horrible teacher (and will, of course, blame PADI, not yourself). Want to learn to teach other rigs?? That's what we call taking an initiative, and you can do it on your own time. Guess what? Learning does not stop with the IE, as some here would seem to be implying. If anyone thinks they are a good instructor, then teach yourself how to use different rigs AFTER your team succeeds at the IE.
The current IDC prepares you to take control of your own destiny and to train and evaluate yourself in the acquisition of better and further skills. Some here act like finishing the IE and getting your OWSI card ends the process of learning. If that's what you are telling the OP, then please, don't. The people that suck as PADI instructors aren't sucking because of PADI - and no, I do not think that the PADI system is all great and wonderful, it sucks in many regards - but if you take the PADI IDC and are not motivated, skilled, and resourceful enough to be responsible for your own continuing education, then maybe you should not be teaching yet.
If you want to be awesome in every kit on the planet, get your OWSI card, head to a place with available gear, and spend 2 weeks figuring it all out before you start to teach. But DON'T screw up the IE for your teammates by thinking that you are the god of diving sent from on high to single-handedly fix PADI. Such an attitude from an instructor candidate is condescending and insulting to those of us who have spent years becoming awesome enough to have such attitudes