xbox 360 slim 4gb with 250gb hdd ?

for swop my xbox 360 slim 4gb with 250gb hard drive installed as new with box 2 controllers and dual charging dock 11 games sacred 2 smackdown v raw 2011 final fantasy XII-2 f1 2011 mercenaries 2 just couse 2 left 4 dead 2 test drive unlimeted 2 forza 3 limeted colectors edition forza 4 limeted colectors edition fifa 11 wanting good cash offer or decent ps3 slim bundle