I am planning to invest into a desktop cradle and so far the winner is the following device:
It is a KiDiGi USB Desktop Cradle for Bionic with a 2nd battery slot.
Price seems good compared to motorola branded products, synchronizes the phone and charges the phone and spare battery simultaneously. I have heard of kidigi before so it seems like a fair deal, but i am still searching. Any further suggestions? what a good cradle shall have for features?