Yesterday I used the 3M headlight restore kit I bought from eBay for £16 odd and what a result I got.
People say that it takes about 2 hours to do but because I started on the finest pads it took me about an hour to do.
Very easy to use and was a lot quicker then I expected.
This is the kit i bought and it comes with 3-4 different grades of sandpaper pads but i just went straight the finest one and started.
You get 2 pads per headlight so after the 2 pads where used you move onto the rubbing paste and the buffing pad you get with the kit, after a while your headlight will look like this.
I would recommend to do it with your bonnet shut or to remove your headlights and also don't ware good jeans! haha
But when you are happy with it I went over it one last time with some Autoglym polish just got the final finish and it turned out great!
I would highly recomend this kit and all you need is a drill and something to spray water on the headlights as you go and you should be sorted!
If anyone has any questions about this just give me a shout.