Home Theater! Well, sort of. My first job was a summer internship last summer. Aside from necesarry expednitures (food, whatever), I saved up a few paychecks and I got a pretty decent speaker rig.
I got:
Receiver: Harman Kardon AVR-330 (refurb)
Main Speakers: Polk LSi9's
Then, after some hot deals, I added:
CD/DVD/SACD/DVD-A player: Onkyo DV-CP802
Surround Speakers: Onix Rocket ELT LRS
Next is a TV, but I think I'll wait til I graduate for that... especially since I probably won't get a job this summer.