If anyone is interested in yet another experience with DTV (not very positive, in my opinion) see:
http://spectrum.ieee.org/oct08/6814
I have to agree with the author about the RCA converter, mine is not good at all. However, the Radio Shack one has been ok for me. I am not sure where the 10 mile comment (see page 2) comes into play. I live more than 10miles from the transmitters and get all the local stations(in good weather).
My biggest beef with DTV is how crappy and unwatchable it is in poor weather(vs analog).