ballie33 - i will try buying a twin skinned style of sock, i dont often suffer from blisters, but the odd occasion i do. as you said, it all is really an individual need.
a lard arse - it would be inresting to find that out, about the job correlation. also i used to run in regular socks, and they did give me blisters, but i also think thats because i was running in some rubbish trainers aswell.
ive just been into sweatshop today, and bought a pair of x-socks performance socks. ill give them a try over these next days and write how they feel, although, im pretty sure there wont be anything to report on, hehe