twerppoet said:The good news is that when iOS 5 and iCloud come out in the fall you will have a way to sync/backup you contacts for free. And Groups will work.
It is possible to sync MobileMe contacts and Google contacts. I've done this, but like the iPad syncing it only works with the My Contacts folder and groups in MobileMe are lost on the Google side. I expect that iCloud will also do this, at a minimum, but wouldn't want to put any money on it.