how about eyefinity in 3D:
(nvidia 3D vision surround)
YOUR BASKET
2 x MSI GeForce GTX 570 1280MB GDDR5 PCI-Express Graphics Card £239.99 (£479.98)
1 x Crucial RealSSD M4 128GB 2.5" SATA 6Gb/s Solid State Hard Drive £173.99
1 x Intel Core i5-2500K 3.30GHz (Sandybridge) Socket LGA1155 Processor - Retail £161.99
3 x LG W2363D 23" TRUE 120Hz 3D Widescreen LCD Monitor - Black £155.99 (£467.97)
1 x Asrock Z68 Extreme4 Intel Z68 (Socket 1155) DDR3 Motherboard £144.98
1 x Silverstone Raven 2 RV02B Full Tower Case - Black £129.98
1 x NVIDIA 3D Vision Kit with Duke Nukem Forever £113.99
1 x OCZ Z-Series 850W '80 Plus Gold' Power Supply £99.98
1 x Kingston HyperX Genesis Grey 8GB (2x4GB) DDR3 PC3-12800C9 1600MHz Dual Channel Kit (KHX1600C9D3X2K2/8GX) £53.99
1 x LG CH10LS20 10x BluRay-ROM / 16x DVD±RW Drive - Black (Retail) £52.99
1 x Samsung SpinPoint F3 1TB SATA-II 32MB Cache - OEM (HD103SJ) £41.99
1 x Gelid Tranquillo CPU Cooler (Socket 754/939/940/AM2/AM2+/AM3/LGA775/LGA1155/LGA1156/LGA1366) £25.99
Total : £1,987.30 (includes shipping : £32.90).
This is a very good build for 3d. For a none 3d setup Reaper 392's build looks good, I think the extra £10 would be well worth spent on this 580:
http://www.overclockers.co.uk/showproduct.php?prodid=GX-081-GI&groupid=701&catid=1914&subcat=1812
That is if it's a dual slot one, can't really tell.