I would say aftermarket, depending on how much you need to add to the system.
The best thing I've found to help me is some good mellow music when I get frustrated. I like Pink Floyd - The Wall. My only problem is I'm wearing out the cds.
One small rant, I've found welding and soldering similar. In both cases I never have enough hands and I manage to burn myself.
Teaser pictures...
+ (welding cable)
Any guesses? Yes, I am the man!