I wont be rude, but there is already a thread on this...
Long story short, although there are advertised cradles, they do not fit the Sprint CDMA version with the headphone jack, since it kicks the USB adapter over just a bit.
SIEDO looks like they are the closest to a release so far, but again it is still a waiting game.
EDIT****
Here is the link:
http://forum.ppcgeeks.com/showthread.php?t=84920