At least now we can stop wondering who that guy is going to be this time.
Sure, I'm
him. 
I ride Vittoria 37's...but only because I found some cheap....would've used just about any belted tire close to that size. Not as fast as 23's obviously, but fine.
Since all we're talking about is 32's, I think attempts to find the "fastest" one are pretty pointless, that's all. And I see this questions all the time. How about just overinflate it to 80 psi? Drop to 28's instead?
They are *almost mutually exclusive (except slight differences in tread thickness, bead weight, etc)....like trying to find a rain jacket that "breathes well"
Anyone have a great hill-climbing beach cruiser? Which is the fastest?