This just in on HOFO
http://www.howardforums.com/showthread.php?t=88238
No ideas there if it's UMTS or not. Rumor says May release.
I was close to buying an 8700c, until the complaints about enterprise activaion surfaced and Cingular yanked it from their sales page.
Now I'll wait for this and keep all my 7100-sized accessories.