Hi, I get the feeling I may be tutted at for wanting "gaming" hardware but that's the way it is 
Nah, lots of us GH'ers do gaming. Welcome to GH!
Okay: First off, The QF rapid is an excellent keyboard. I have one in reds I use daily, and one in blues (that doesn't see that much use). Second, you could totally use cherry blacks for typing. I don't use my black keyboards (WYSE PCE and access-IS) that much, but they're still more than acceptable. The only issue is that it does take some force to press them, and it feels heavier, since the switch is linear. You don't get any of that sweet tactile bump, either.
Still, blacks aren't bad at all. I just like extra-tactile switches, so it's cool.
Also, you can probably get a CMstorm QF Rapid in blue shipped from china (PChome or TaoBao), though I don't know if it'd be still in your budget or not. I know mail forwarding one to Europe would cost a bit, but that still might be your best bet (especially considering how often they go on sale here in the US and Canada.
Anyway, just a quick thing. I hope I've helped

Maybe a UK member can help with more specifics.