yeah i see what your saying there but if he did he wouldn't be able to play with the rest of the group. which is why i think he wants the pc.
In my opinion it depends if you can upgrade another component with the case money or not. If not, get the case otherwise think about sticking with the old oem one.
Well the case is around £20 would need anoter £30 on top of that for a jump up in GPU and CPU wise I don't think I'd get much more. I think I'll stick with what I've got now, some good suggestions guys have taken a few on board. Much appriciated