Me tooo.....and 6x6. But then again I forgot how addicted the general community is to 2x2 and 3x3 speed, and that many are too lazy to practice big cubes.
The V7 is actually my favorite. Then the 5 and then 6.
Off topic: Once in a while I'll bring my V5 (not my good one) to a bar, and just set it on a table in front of me. Peoples' faces are priceless. Then I'll start solving it. Haha.