desktop ,fast quadcore pc , dell studio slim 540s great for gaming +

hi im selling my quadcore pc as ive gone over to mac The PC is as follows: Dell Studio Slim 540 s, Intel Quad Core CPU Q940 each core @ 2.66Ghz x4 =10400mhz 1GB ATI HD Graphics Card 4 GB RAM can be upgraded to 8gb 2 x 320GB SATA HDD 6 usb ports card reader ports dvd rewriter dell Wireless Keyboard and Mouse All in High Gloss Black dell s2209w 22" full HD Widescreen LCD monitor with full 1080p capability Windows 7 Home Premium cost me 129.99 it was vista bargin price 400 ono pounds contact me anytime day or nite up to midnite call or tex kind regards kelly