You can just buy the Acer Liquid A1 and update to the 2.1 Eclair ROM yourself and run on AT&T's 3G network (it has exact same hardware as Liquid E). (bgr.com)
I find this confusing as all U.S. iPhone use the exact same hardware and components. (scientificamerican.com)
All kits includes the exact same hardware as used by the OEM's with OEM corrosion coatings that withstand over 1000 hrs of salt spray testing, and not just galvanized or chromate coatings. (gemtubes.com)