Hi, need some advice on buying new tower (noob)

I have been looking on ebuyer and found this one http://www.ebuyer.com/product/179420

I will using it to play WOW and watch films etc.

My price limit is 400 pound.

My current tower has a:

Pentium 4

1gb RAM

40gb hdd

If you can spare 70 more you can get a Pc which can play any game. http://www.ebuyer.com/product/179718

If you can spare 70 more you can get a Pc which can play any game. http://www.ebuyer.com/product/179718

04dcarraher