I have a pair of sennheiser hd280 pro headphones that i love. I'm a huge huge music guy. it's time for me to buck up and get a nice speaker system. I don't know that much about what's out there though.

I was hoping you could recommend some stuff for me, give me a place to start. I'm a college student, looking for a serious system. I'm on a college student budget though, so I would only be able to spend $400 the most. What kind of equipment should i be looking at, primarily for listening to music in my bedroom at college and home.