2 or 3 years sounds about right. It seems lots of people wait to upgrade not wanting to get locked into another 2 year stint if there's a more appealing phone c

2 or 3 years sounds about right. It seems lots of people wait to upgrade not wanting to get locked into another 2 year stint if there's a more appealing phone coming out in the near future. Apple stopped selling the 2G iPhone in 2008 but you can goto the Sprint, T-Mobile or Verizon store and walk out with a glorified G1 device today. Motorola and a few others actually have these ~600Mhz Qualcom based phones on their road maps for late 2010 releases so it seems likely they will be around beyond 2012 in massive numbers. Probably as "free with contract" options.