Can I build a decent base for less than £150?

[mwarsame]

I'm after a basic setup that can play games like Counter Strike Source and alike games. Do you guys think I can build the base for less than £150?

This is the best I could do which is a bit over my budget:

Motherboard
A decent one (any suggestions?) - £35

Processor
Intel Celeron E1400 2.0Ghz Dual-Core Processor (LGA775) - £34

Memory
Corsair 2GB (2x1GB) DDR2 Value Select PC2-4200C5 Dual Channel (VS2GBKIT533D2) - £23

Graphic Card
Asus GeForce 9400 GT 1024MB - £34

Hard Drive
Hitachi Deskstar 7K1000.B 320GB - £32

Decent Case & Optical Driver
Sony Optiarc AD-7240S 24x DVD±RW SATA Dual Layer ReWriter -£19
Case - £20

Total - £197

Any suggestions would be highly appreciated

Thanks