Help First Audiophile system

Hey everyone,

I'm a longtime forum reader, but a first-time poster. So to introduce myself, my name is Brian and I'm a starving university student majoring in English-Secondary Education. I have never owned a true audiophile system as I've never had anywhere near enough funds. Well, shortly I will be moving in with a roommate for the first time in a while cutting my rent almost in half. That means I'll have some spare funds. I was going to invest those in paying back loans and buying my girlfriend presents... but where's the fun in that?

So what I'm looking for here is advice on what components I could afford on a very tight budget (think, ~$100-200/mo. in excess funds) so it will take me a long time to save up and purchase any really fancy stuff. But I need SOMETHING good because lately music has lost a lot of it's flavor for me as my speakers in car and on my computer are just too inadequate.

I prefer CDs to Records (own a cat and being a 21 year old college student probably can't take care of them properly) and have a lot of songs on iTunes on my 100GB harddrive so I was thinking that my computer might work as a good source (which would necessitate new sound card reccommendations or the like).

I mainly listen to rock, classical, and blues but sometimes I mix it up with jazz. My knowledge of the hi-end is very very limited so feel free to explain in detail the reasons for and the results of various component choices you may reccommend. I'm also, of course, looking to see prices listed so I can see how long and hard I'm going to have to save up!! Try to keep the reccommendations cheap but quality! Money is the bottleneck here. I will be living in a 992 sq. ft. apartment probably putting the system in the living room (see floorplan here: http://www.wilsonwhitecompany.com/river_layout5.html)

System currently: NOTHING!

Anyway, let's get right to it: I am your clay, Mold me!

Thanks in advance,
-Brian