This would solve a huge number of problems. Get a box that gives you 3G in your home. Amazing that AT&T wants us to pay for it, but its the only game in town with the iPhone right now ;-(
AT&T 3G MicroCell acts like a mini cellular tower in your home or small business environment. It connects to AT&T’s network via your existing broadband Internet service (such as DSL or cable) and is designed to support up to four simultaneous users in a home or small business setting. With AT&T 3G MicroCell, you receive improved cellular signal performance for both voice calls and cellular data applications like picture messaging and surfing the Web.