I have just gotten the Seido iphone 4 dock to charge and sync my iphone 4 to my computer and it is a great device. You can leave your case on when docking the phone, which is very convenient. Plus it automatically opens up Itunes. It's nice to keep the phone up right when docking so that you can access it without touching it. I highly recommend using this dock- Seido has a very good website and good customer service. http://www.seidioonline.com/
good deal!
good deal!