I'd say it's pretty damn close to release - I know there have been some fabulous suggestions, but I think those may or maynot be implemented until 3.7 is made public. I'm sort of proud that there was even a "preview" of the new version before the release - It lets the developers know where they customers stand as far as whether to upgrade and/or renew their most expensive license for the new version - I think the developers have a lot to be proud of!
I 41 (along with a lot others) have been testing the hell out of the new profile customization. I love it! I think it will be very popular amongst vBulletin Forum Members --- If ya want take a look at my customization - I tried to get it as close to the JPiC Serenity style as possible:
My Customized Profile
And along with a very nice assortment of new features - I say vB has more than staked its claim and solidified its title as THE BEST forum/internet interactive software available.
And as far as the gaggle of naysayers saying "Well I just don't want my forum to be like anybody's MySpace and blablablablablablabla and ugh and bla...." ----- Those people are full of ####

---------- I say what a fabulous leap from 3.6.8 to 3.7 = Well done!
Jacquii.