whats your budget ems? i've tried and failed with everything other than ghd's and i swore i'd never succumb to them...but they rock and i can't deny it!
If you really have no money then the ceramic coated ones at tesco were voted best for a tenner, but my hairs quite thick and they did a fairly good job for just straightening but nothing else, I now have FHi straighteners which are pukka from the hairdressers which were �75