I work on transit projects primarily on the west coast. My experience has been that 50% or more of the engineers were from outside the United States. While I don't disagree that the engineering skills are hard to find within local labor pools, plenty of experienced individuals are willing to relocate.
Pandora is radio, you have no control over what song is playing aside from being able to switch stations and being able to skip (no scrubbing) a few (5 iirc?) songs a day.
Rhapsody, on the other hand, lets you play any song from their library at any time you want. You can skip, go back, scrub, and play songs/albums/artists/playlists just as if you owned the songs (you can actually even download the songs and drop them on any MP3 player if you get the mobile plan).
Pandora is 6 skips an hour ( More for Pandora One I think), and thumb-downing a song eliminates in on that station. I can also say I'm tired of a song, which shelves it on that station for 30 days.
