I don't know what I would do without it...I think my iPod has a little bit of everything, but I prefer rock and alternative. Here's a few good ones: Dave Matthews Bands, O.A.R., Jack Johnson, The Fray,Ben Harper, John Mayer, Donavon Frankenreiter, Mat Kearney, Train, Guster, Snow Patrol, Coldplay, Better Than Ezra, Default, Fuel, Sublime, Theory of a Deadman, Disturbed, Hinder, Hoobastank, Green Day, Incubus, 30 Seconds to Mars, Trapt, Breaking Benjamin, Red Hot Chili Peppers, Slightly Stoopid, Switchfoot, Reliant K
10 Things I Hate About You, How to Lose a Guy in 10 Days, American History X, Pay It Forward, The Notebook, The Italian Job, Seven, Taking Lives, Hostel(if it doesn't scare you, it will disturb you), Swordfish, Enemy of the State, Along Came Polly, American Pie series, Rainman, and a favorite since I was a kid...Beauty and the Beast.
House
I have a hard enough time keeping up with all the textbook reading that I have to do, but some that I've read in the past and liked are: The DaVinci Code, Angels and Demons, The Notebook, A Walk to Remember