oh yeah did i mention i painted my Z with SPRAY CANS from autozone :P (and so did with my volkswagen...you can see my vw in the background)
dupli color from autozone, i used 14 cans, 5 cans of primer, ALOT of rubbing compound, 800, 1000,1500,2000 sandpaper, wet sanding, waxing, polishing and about 18 hours...by the time you're done...you'll have a very very sore arm...this was all done by hand

total cost was about $70
my conclusion...have a shop paint it!!!! its too much work to do it yourself