Next time you're struggling to hammer up a strip of crown molding by hand, consider this: If you were using a compressor and finish nailer, the nails would move so fast that the trim wouldn't have a chance to shift around or split.
Today's compressors are light, quiet, and compact. More and more come packaged in kits, complete with compatible tools, hoses, and couplings. Bostitch's Trim-Air kit (shown) includes two nailers—a 16-gauge finish nailer and combination brad and staple gun—and a compressor that weighs just 19 ½ pounds.
Compressor: 1.8 cfm at 90 psi; 2.7 cfm at 40 psi; 1.6-gallon tank; 75 decibels (comparable to a handheld vacuum); approximately $179, Bostitch