I know it's suggested for a lot of things, but check out SEVEN. It's primary purpose is push e-mail but it will synchronize your contacts and calendar as well (disables syncing via activesync to your PC, though). Another down side is that the current beta sends back international text messages occasionally - at 20 cents per message via sprint. It usually never totals more than $2-3 a month... but if you can put up with that, give it a shot.