This will be the first Google Android phone.  It will be sold exclusively through T-Mobile on October 22, 2008.  The phone will cost $179 with a two-year agreement.

CNET sums up the T-Mobile G1 handheld quite nicely:

“…it has the potential to make smartphones more personal and powerful. That said, it’s not quite there yet, so for now, the G1 is best suited for early adopters and gadget hounds, rather than consumers and business users.”

Read the full review here.