I've got a Polk Audio RMDS 1 for sale.
It consist of a Controller unit: Pre-amp; Processor, AM and FM tuner.
1 Subwoofer with all power amps build in.
2 front speakers and speaker cable
2 rear speaker and speaker cable
1 center speaker with speaker cable
controller and audio cables
Remote control
Condition is very good and everything works well,
This unit sold for $ 2700, I'll let it go for $ 300 plus actual shipping.
Here is some info on the RMDS 1
http://www.polkaudio.com/homeaudio/products/recent/rmds1/