I just got some Babyliss Pro 230 Radiance straighteners and I think they're great! They use steam which makes my hair look really shiney and it stays perfectly straight all day! My friend has a pair of GHDs and she says that mine are just as good if not better because of the steam which makes it look so good.
The web-site is www.straightness-brealthrough.co.uk and you can win a pair of louboutins on there!