Side Note on painting
Use a guide coat when sanding.
I prefer the powder kind, but the spray is easier to get.
Saves Tons of time by letting you see how far you have to go and allowing you to use more aggressive sanding techniques longer.
Here's the one I use
http://autoparts.pricegrabber.com/dress-up/m/53484677/ <- Painted about the equivalent of 12 cars and still have plenty left in the tub, but if it was $36 per car it would still be very worth it to me.