KLIPSCH 2.1 PROMEDIA (Highest Rated 2.1 Speakers!) - $100

If you know anything about computer speakers, you know that this set is one of the most highly rated systems out there. Bought this less than a year ago from Bestbuy and in EXCELLENT CONDITION.
Sells for $150 brand new.

http://www.amazon.com/Klipsch-ProMedia-Certified-Computer-Speaker/dp/B000062VUO/ref=sr_1_1?ie=UTF8&qid=1367819934&sr=8-1&keywords=klipsch+promedia+2.1 (Rated 4.5/5 by 820 reviews)

Price: $100