I think you mean S620ti not S260. It's a nice 2nd stage, I have one..I prefer the g260 but nothing wrong with the 620. Mk25 Evo is a nice first stage. Are you a cold water diver? The A700 is also a great second stage. I may be wrong but I believe it's more for colder water but clearly can be used for anything...it's just heavy. Why are you getting the 2 gauge console? For redundancy? No need as the Teric is all you need with the AI. ScubaPro can be serviced all over the world. Dollar for dollar the Deep6 signature series regulator, diaphragm first stage, and signature octo is very hard to beat. Atomic also makes a great regulator as well. So does many others....can you be very specific what type of diving you are planning?