Going back a bit to the Sprint vs. other networks discussion, this is why I switched away from Sprint last week:
http://www.dailytech.com/Sprint+is+B...ticle24494.htm
A technician at the Sprint store acknowledged to us that Sprint is having considerable problems within their network and is rebuilding the entire 3g network. An old high school friend that works for Sprint as an account rep. confirmed that. She said they hope to have things straightened out in a couple of years.