Trade For Lap Top in Los Angeles, California For Sale

I'm looking to trade for an Alienware, Dell XPS, Sager, HP DV7 etc lap top. Must be in good condition or near new. And have power supply, Install CD's, cords, bag etc. Below are the minimum system requirements that I want. The specs can be a little higher or lower. I just want a decent lap top to use as a chat and streaming video server. Something middle of the road. Not ultra high end, but not low end. Please no lap tops older than 2 years old.
Dual or quad core Intel, core i7 etc
200 GB hard drive or more
2 GB RAM or more
15 to 17 inch screen
Windows Vista Ultimate, Windows 7 Ultimate
Integrated Network Adapter
512 MB video card
Dual Layer DVD+/-R Drive
WiFi
I have these things below that I will trade.
Home made xxxx Watt Car Stereo Amplifier worth $300.00
JBC Just Be Cool xxxx Watt Car Stereo Amplifier NIB worth $200.00
Turbo 400 Watt Car Stereo Amplifier NIB worth $100.00