Christ, having a look around on Google...the UK could seriously do with a NewEgg.
Well, I did go from maybe underpowered to way over powered, will ring them up tomorrow and see if I can change it.
Unless you're an absolute goon, which you're not, just get a laptop.
http://www.ginger6.com/ A mate bought from them, hes had no problems at all.
http://www.meshcomputers.com/ Bought my last PC from them and just ordered a brand new 1.
Intel® Core™ i5 750 Quad Core Processor OVERCLOCKED to 3.6GHz
Microsoft® Windows® 7 Home Premium pre-installed
NZXT HUSH Silent Brushed Aluminium ATX Midi Tower - Black [upg £ 12.77]
950W X-Power Desktop Power Supply [upg £ 81.62]
Akasa Freedom Tower Heat pipe quiet cooling, CPU Overclocking, specialist cabling
ASUS P7P55 LX Mainboard - Intel Core™ i5 / i7 - LGA 1156 / ATX
G.Skill 4GB DDR3 1600MHz Memory (2x 2GB KIt) [upg £ 17.02]
1TB Serial ATA 2 Hard Drive with 32MB Buffer
22x Dual Layer DVD Writer Super Format +R/-R/RW/RAM
OVERCLOCKED 768MB NVIDIA Geforce GTX460 wiith CUDA Graphics Accelerator
7.1 High Definition onboard sound card - for 8 Channel Cinema sound
Free Microsoft® Office 2010 Starter Edition
Free Cyberlink Video Editing Utility Suite - 7 titles (oem)
BullGuard Internet Security ver. 9 - 90 Day Trial - AntiVirus/Firewall/Backup/Spamfilter
Supports up to 14 USB 2.0 ports (6x mid-board, 8x back panel) - P7P55 LX
Network Ready PCIe Gigabit LAN
Free 3 Years Gold Warranty - inc 3 Months Free Collect & Return
Total £ 954.89
Clearly they have much cheaper 1s, just tell me your budget and what your planning on doing and I can hook you up.