I bought the AT&T version day it was announced and glad I did. I rather enjoy not being tied to iTunes and find the marketplace well supplied with apps I actually use. I also like the fact it is totally unlocked. -- My perception is REALITY
I ordered one with AT&T 3G bands about a week after it launched. Only kept it for about a week though and sent it back.
Not only was I not sold on Android (especially with the absolutely piss poor Exchange syncing), the screen sucked with a weird bright purple/pink tint, and the 3G radio was horrendous. I'm back on my 3GS for now, although I'm sure I'll have another Android phone at some point in the future.