In need of a cheap GoPro type of camera?

Going on holiday to paxos next year, would love to film my journey therefore need a waterproof GoPro like camera. By GoPro I don't mean the brand, I just mean those cameras that can go on your head while you film. Oh and by cheap I mean around £40-50. Cheers.

Read more: In need of a cheap GoPro type of camera?