Jojo Dancer

I can get Klipsch: RW10d for $199.60 RW12d for $279.60 Sub-10 for $160.00 Sub-12 for $200.00 Which one would be the best bet? I've heard the Reference subs were not very clean, is that true?

I've just bought the RB-51, RC-52, 2 RS-42. I am looking to do a 5.1 set up, so i need a subwoofer. I would like a 10" sub. I am a poor college student who has saved up for the speakers and the receiver (Yamaha 5950) so I would like to spend something in the price range from around $300.00 to $350.00. I hear the JBL sub 10 is nice. I watch alot of movies though not a lot are high action. I'd like a sub that sounds clean. Which sub would you reccomend?