RonFrank
Contributor
Not trying to talk you in to anything but, to clarify, with a bp/w you get to pick each component. The wings vary in lift a great deal (using just one brand of wings, you can buy a wing with 12, 17, 20, 26, 30, 35, 38, 40, 42, 49, 50 or 57 pounds of lift). Some of those are singles wings and some doubles.
Lots of pros and cons of different choices but lack of lift choices just isn't one of them.
Most divers don't need much in the way of lift options. Your list of 12 basically breaks down to maybe 3 real life options, and there is hardly much difference between a 30 and 35 lbs wing. The majority of single tank divers can do one wing in the 30~35 lb range, and that will serve them very nicely for almost all diving they could do. If you want a lightweight rig, a 20lbs~ wing is a good choice, however that is a bit light if one ever needs to dive with extra lead (instructor) or rescue a diver. I don't know anyone with a 18lbs wing, well I guess I do on SB, but not many.
Most of my double diving buddies use a wing in the45lbs range. Much more is generally not needed, but a double wing is not a good choice on a singles tank as they are designed to span two tanks, not one.
I've known some divers that ran out and got a BP/W setup on the cheap with some foolish amount of lift (in the 80~ range). They quickly discover why most folks shy away from huge wings. The amount of lift is pointless even with doubles, and the wings are very large, and hard to dump. Air trapped in a wing is no fun, and can create an uncontrolled ascent.