I am picking up an used oven from a local seller and I can put in my carport.  I just hired a electrician to make a 220V 30 amps outlet so I can have high power tools.  Here is the Pros and Cons.
Aerosol
* Highly toxic solvents such as Toluene, MEK, etc. 
* Release of CFC's into the atmosphere 
* Cancer causing chemicals/isocyanides 
* Potential for runs, drips, sags 
* Overspray problems 
* Lengthy 12-48 hour cure time 
* Limited colors/textures 
* Relatively low service temperature 
* Poor UV/salt spray protection 
* Solvent clean up  
Powder Coating
* No harmful toxins or chemicals 
* EPA approved process 
* No CFC's 
* Elimination of runs, drips, sags, errors 
* Overspray is simply swept up and disposed of 
* Very quick 10-30 minute cure time 
* Over 250 colors / texture selection 
* 300° F + service temperature 
* 1500+ hour salt spray / corrosion protection 
* Consumer preferred finish