Hmm... By now, you guys think I must be a raving fan of Joel Spolsky, but all I have for him is a *lot* of respect. I can't love this guy because he makes software on Microshaft tools. But ask him to talk about SD, boy he does. Here's one more article, very very important for CS undergrads:
Go ahead, read it, and pass on the info on Summer Internships to all the geniuses in your class!