Gas if you have the option, it has better feel, and potentially more applied power. I have had several gas as well as electric coil and radiant stove...
I've been rather happy with my $9 compressor driven HVLP gun from Hazard Fraught Tools. I will admit I have not used it for any finer finishing but a...
I liuke making things. During the day I design and build giant superconducting magnets for the LHC and in my time off I enjoy pixie wrangling and carving up the occasional tree carcass.