A couple of guys at my work have got them, one used them as a stopgap/spare set whilst he was waiting for his handbuilts to be built and the other guy's using them properly, he's not had any issues yet, but hasn't put a load of miles on them. Reviews seem alright, and they're pretty light eh?
These are fucking cheap - http://www.wiggle.co.uk/cosine-24mm-alloy-clincher-road-wheelset/
Easily down to £60 with a new email address. Anyone with any experience?