custom built computer

Description:

just built custom computer with xbmc installed- movies, tv series' ,sky sports bt sports and others and lots more . AvG antivirus installed, all updates done, windows 7 ultimate 64 bit activated 19" hanns-g jc198d monitor keyboard and mouse specs as follows
Windows 7 Ultimate (x64) Service Pack 1
Board: ASUSTeK COMPUTER INC. P8H61-MX Rev X.0x
Serial Number: MT7021021104988
Bus Clock: 100 megahertz
BIOS: American Megatrends Inc. 0405 11/03/2011

2.60 gigahertz Intel Pentium G620
128 kilobyte primary memory cache
512 kilobyte secondary memory cache
3072 kilobyte tertiary memory cache
64-bit ready
Multi-core (2 total)
Not hyper-threaded

4080 Megabytes Usable Installed Memory

Slot 'DIMM0' is Empty
Slot 'DIMM1' has 4096 MB ram

251.00 Gigabytes Usable Hard Drive Capacity
232.39 Gigabytes Hard Drive Free Space

HL-DT-ST DVD+-RW GH50N ATA Device [Optical drive]

NVIDIA GeForce 7300 GS (Microsoft Corporation - WDDM) [Display adapter] whats it worth £200