I also played the new ProV1x for the first time this weekend.  I really couldn't tell much difference from the prior generation in terms of durability (don't mean this in a bad way....both have been very durable in my opinion).  For me, there also…

Use what works for you.  There's nothing wrong with AP1's, although it is kind of surprising.

You're actually the second player to ask my about that old, trusty, VS Proto.  I suspect you'll find very similar results in performance and feel. 

It's possible the old 909H 15, and 19 can replace the performance of your current line up. 

For a right hander, the 910 13.5 FD in C-1 setting will be the lowest three wood ever.  Shafts are a little more of a wild cars, but the Ahinas, RIPs, Fujikura 95, can possibly influence lower shots.

T. Tiger,

Just wondering how you liked the change from the 690mbs's to the ap2's? Ive been using the 690mb's for about 7 years now and recently purchased the cb710's. I was between the ap2s and the cbs. Thought the ap2's might have been just a tad more…