A Generic Launcher . . .

K, I haven't actually written this yet, but what do you think of a generic launcher configured via a INI?

It would need to handle:
HKCU and HKLM (HKLM would require a check for admin, but that's easy)
PATH addition (again, only if needed)
%APPDATA% redirect
Command Line Switches

I'm not worried about a splash, if I did have a splash, it'd be something similar to PortaLuanch.

Any ideas?