No overclocking. Would run it at stock.
YOUR BASKETNo overclocking. Would run it at stock.
it might be better to go for the intel route:
YOUR BASKET
1 x Intel Pentium G2120 3.10GHz (Ivybridge) Socket LGA1155 Processor - Retail £73.99
1 x Gigabyte H61MA-D3V Intel H61 (Socket 1155) DDR3 Motherboard £47.99
1 x **B Grade** Seagate Barracuda 7200.12 1TB SATA 6Gb/s 32MB Cache - OEM £45.00
2 x NZXT Source 210 Elite Midi Tower Case - Black £39.98 (£79.96)
1 x XFX Pro 450W Core Edition '80 Plus Bronze' Power Supply £39.95
1 x Adata XPG Gaming v1.0 8GB (2x4GB) DDR3 PC3-12800C9 1600MHz Dual Channel Memory Kit (AX3U1600GC4G9-2G) £35.99
1 x Samsung SH-118AB/BEBE SATA 18x DVD-ROM (Black) - OEM £11.99
Total : £357.79 (includes shipping : £19.10).
And look elsewhere for a 6850.
Will the power supplys specced be ok for a better graphics card at a later date if need be?
Yes, but a 500/550w would be a safer bet.