-bigadv runs in Linux, either in VMWare player 3.0 or full fat Linux. Luckily some nice chaps have built the VM image and all you have to do is run it, connect to the web page setup and away you go
How about something like this (obv without carriage)
750W Silverstone ST75F Modular, SLi Quad +12V rail, 6X PCI-E, ATX 12V 2.2 & EPS12V, 80%+ Eff, Silent £82.79 £97.28
Antec 300 Three Hundred, Black Midi Tower Ultimate Gaming Case w/o PSU £39.98 £46.98
6GB (3x2GB) Corsair XMS3 Classic, DDR3 PC3-10666 (1333) Non-ECC Unbuffered, CAS 9-9-9-24, 1.65V £120.79 £141.93
Intel Corei7 920 D0 SLBEJ Bloomfield 45nm, 2.66 GHz, QPI 4.8GT/s, 8MB Cache, 20x Ratio, 130W, Retail £143.99 £169.19
Gigabyte GA-X58A-UD3R, Intel X58, S1366, SLi/Xfire PCI-E 2.0, DDR3 2200/1333, SATA 6Gb/s, RAID, ATX £121.99 £143.34
Net Total £509.54
Carriage £9.94
VAT £90.92
Total £610.40
Or:
Intel Core i7 920 D0 Stepping (SLBEJ) 2.66GHz (Nehalem) (Socket LGA1366) - Retail (£148.93) £174.99
Gigabyte GA-X58A-UD3R Intel X58 (Socket 1366) DDR3 Motherboard (£133.60) £156.98
OCZ Obsidian 6GB (3x2GB) DDR3 PC3-12800C9 1600Mhz Triple Channel Kit
(£97.86) £114.99
Antec TruePower New Modular 650W Power Supply (£65.52) £76.99
Antec 300 Three Hundred Ultimate Gaming Case - Black £44.99
(£38.29)
Sub Total : £484.20
Shipping : £11.25
VAT : £86.70
Total : £582.15