I decided against the Celeron for 300 from bestbuy and have placed my order with Ebuyer for the parts listed all except the CPU because it was out of stock so i had to get the 4400 x2 instead for around £7 more which is not a massive problem.
The system was meant to cost £200 but it has cost £225 but i think the system is great for the price. The parts should arrive middle of next week time. I am looking forward to my first dual core and DDR2 build. Thanks for your input Steve, Ramon & Karma it is greatly appreciated.
I would just like to say special thanks to Krotch for his posts which have been pleasant in nature and contained colourful creative language throughout.