Thanks for the replies - the only real requirements are that it isnt massive - and is fairly strong, as i dont think that me + 3 train rides totalling 4 hours (and including an underground trip!) would be that healthy for a PC. I am hoping to put it in a suitcase or something. My current case is not just large (and light) but also quite thin metal wise.
Only downside is that looking at the dimensions, both cases are quite bulky? I did look at the Coolermaster 335 specs and it seemed to be a fair bit smaller (though that may just be my imagination). I wont be putting a huge amount of kit in it (room for an ATX motherboard, 2 HDD's, DVD, 9600GT is al the roomy stuff).
Would definitely be grateful if you did
Pretty isnt really something I am aiming for so much this time around

and I would be happy to pay any courier costs/a bit extra as well.
Drop me a PM if you are able to check/find anything suitable.
Thanks,
Alex.