That's why they do it....that's business.
I run the MSD coils, wires, and the ignition. To each his own. Most people put wires on for ascetics anyway. Some probably do increase performance to a certain point. But you're not gonna drop serious times just by wires alone.
I could go back into why I did my system like I did, but we've been there before.
I'd suggest doing the supporting mods to what you want to do down the line. It'll be easier on your engine in the long run. A power log is a good investment and so is a good intake. Even doing a PCM before you drop pulley sizes will net you better gains eventuallly.