Always wanted to do this. It took me 7 days to prep but I just got done painting with rustoleum 2x and spraymax 2k clear. 150 bucks total. Not perfect, but mine. :
Rust-Oleum Stops Rust Gloss Crystal Clear Spray Paint (NET WT. 12-oz) in the Spray Paint department at Lowes.com
Rust-Oleum Stops Rust Gloss Black Spray Paint (NET WT. 12-oz) in the Spray Paint department at Lowes.com