This Focus I did over the weekend was finished with Crystal Rock which is £800 a pot, that's about the most I would ever spend 
Don't be fooled into thinking an Expensive wax makes a big difference, 95% of any of it is in the prep / polishing work as no wax would make this look bad, equally no bad conditioned paint would look good with an expensive wax either, whatever you use just helps enhance the finish.
http://www.detailingworld.co.uk/forum/showthread.php?t=264843
Vid too which looks really nice:
http://www.youtube.com/watch?v=EB_LDi3VcB8&feature=player_embedded
Don't be fooled into thinking an Expensive wax makes a big difference, 95% of any of it is in the prep / polishing work as no wax would make this look bad, equally no bad conditioned paint would look good with an expensive wax either, whatever you use just helps enhance the finish.
http://www.detailingworld.co.uk/forum/showthread.php?t=264843
Vid too which looks really nice:
http://www.youtube.com/watch?v=EB_LDi3VcB8&feature=player_embedded