Righto - I have worked out a shopping list that seems to tick all the boxes. Can someone please check it over and offer their advise if everything is compatable or I have made some bad choices?
Got a revised budget again but thats it!

Cheers 


   LG Electronics GH24NS90 DVD Writer, DVD 16R/24W/8RW, CD 48R/48W/32RW, Internal, SATA, Black, OEM
FREE 5 year warranty$42.44 $42.44 1Silverstone Precision PS05B-USB3.0 Mid Tower Case, Black
FREE 5 year warranty$92.95$92.95  1Enermax Tomahawk II ENP500AST, 500W ATX PSU, Black
FREE 5 year warranty$66.86$66.86  1Microsoft Windows 7 Home Premium SP1, for 64-bit systems, OEM
FREE 5 year warranty$147.05$147.05  1Gigabyte GA-Z77X-D3H Motherboard, Socket 1155, Intel Z77, 4xDDR3, 3xPCIe-16, 3xPCIe-1, VGA, DVI, HDMI, RAID, ATX
FREE 5 year warranty$269.19$269.19  1Intel Core i5-3550 3.3 GHz, Socket 1155, Retail pack with fan, Ivy Bridge
FREE 5 year warranty$330.92$330.92  1OCZ Agility 3 Solid State Drive, 60GB, SATA 6 Gb/s, 2.5", MLC
FREE 5 year warranty$112.75$112.75  1Kingston HyperX KHX1600C9D3K2/8GX, 2x4GB, DDR3-1600, PC3-12800, CL9, DIMM
FREE 5 year warranty$93.25$93.25  1Western Digital Caviar Green WD20EARX Hard Disk Drive, 2000GB, 5400-7200rpm, 64MB Cache, SATA 6 Gb/s
FREE 5 year warranty$167.44$167.44 Sub total$1,322.86 DeliveryFREE  Total$1,322.86  Pay by direct credit and save$19.84