Recommendations for hot air hair styling brush thingy

[lollystix]

I have one but after about 15 years it's almost died. Went to boots today and confused by choice and couldn't actually see them out of the box.
I have medium, straight, fine, hair and looking for something that will blow-dry it so it needs some power- I use mine to stop it going wavy. Can anyone recommend one?

Babyliss big hair styling brush is really good for my fine hair. There have been quite a few threads about it !