I've had a G1 for over 2 years now and want to upgrade. I've rooted the phone with 2.2 and enjoy using the tethering on long car trips. Is there any phone that I can upgrade too that is still on 3G but not phone that T-Mobile recognizes the IMEI? I want to keep my unlimited data plan and 400 text since that's all I need. I've researched that I need a phone that shares the same 3G frequency which excludes AT&T, but if I use a phone T-Mobile recognizes in their database, they'll switch me over to a new plan which costs about double. Any suggestions? TIA