Photoshop rig. what components?

Friend of mine wants to upgrade from a crappy laptop to a rig. He is a photographer and he is only interested in photoshop etc. Question is this: What components to lean towards to (like nvida due to cuda blah blah) 

And trick is this: Build budget: £250 

Suggestions ?

Unfortunately I do not see a build for photo editing coming in at this price. You definitely want to shoot for Nvidia for Photoshop, but obviously you cant do this at that price. Might have to go with a AMD A10 APU and save up for a decent Nvida GPU down the road. I’d say something like a 660 ti would be a good future upgrade especially since they should be dropping in price soon. Also something you have to consider is getting a IPS display, highly recommended if they are taking photography seriously. 

this is the best i can do with only £250 he's laptop is probably going to be better i recommend he saves up to £400-£500 min 

http://uk.pcpartpicker.com/p/Ua7w

CPU: AMD Athlon II X4 640 3.0GHz Quad-Core Processor (£55.01 @ Amazon UK) 

Motherboard: Gigabyte GA-78LMT-S2P Micro ATX AM3+ Motherboard (£32.91 @ Ebuyer)

Memory: Crucial Ballistix Sport 2GB (1 x 2GB) DDR3-1333 Memory (£9.49 @ Amazon UK)

Memory: Crucial Ballistix Sport 2GB (1 x 2GB) DDR3-1333 Memory (£9.49 @ Amazon UK)

Storage: Hitachi Deskstar 500GB 3.5" 7200RPM Internal Hard Drive (£38.02 @ Aria PC)

Video Card: Zotac GeForce GT 630 1GB Video Card (£42.50 @ Ebuyer)

Case: Cooler Master RC-361-KKN1 (Black) ATX Mid Tower Case (£27.92 @ CCL Computers)

Power Supply: XFX 450W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply (£34.99 @ Maplin Electronics)

Total: £250.33

I know its very late but that you for that 

photoshop on 2 gig of ram is a little painful but I suppose if you dont go too high res or have to many layers it wont be too terrible.

You won't get much performance out of a 630, either, but for a 250 zed budget, you can't get much more.

There is 4gbs there...i made this list over 4weeks ago there has been some pricing drops since then.

The AMD Phenom II X4 965 Black 3.4GHz Quad-Core Processor has droped to £59 use that instead of the  Athlon cpu.

I still recommend he saves up some more for a better pc 

ah right, didnt see the second line, i read it as just one line

yeah, 4 gig is fine

btw, only a few things in photoshop benefit from cuda whereas most of photoshop is mp aware (and has been since the 90's), basically what I am trying to say is that you will get more benefit from multiple cores than you would cuda.

from what i hear photoshop does quite well with opencl, don't really need nvidia, just something to consider

anything prior to the latest version of photoshop doesnt use opencl at all (i think)