I don't know - I'm happy with my T68i (especially at the $230US I paid for it :)) and I have a feeling this baby is going to be a LOT more expensive than that.
Beautiful, but far more expensive ;)
Another link for the official scoop:
http://www.sonyericsson.com/t610/
Do I hear $399US?
That's just a guess, we'll see if I'm right.
Nick