I got a camera a year ago. It was £17 and pretty rubbish and was a fake of a decent model.
Just changed it for a G1W a couple of weeks ago and thrilled to bits with it.
http://dashcamtalk.com/g1w/
Whichever one you get, watch out for inferior fakes/clones.
I painted the silver lens-ring and light with matt black paint but the current version is all black anyway.
Here is one of my clips...
https://www.youtube.com/watch?v=nnOKQO86KN0