8) the pertronix ignitor, and others like it, come as a complete kit that replaces your points and condenser. you need to supply very little, perhaps a connector or two, and few tools, and some time.
the next step up is a duraspark distributor and ignition box. there are kits available for this conversion as well, again some tools and a little of your time, and perhaps a few connectors. this one does take more time as everything is not self contained.
after that you have the DUI system. this is completely self contained, and takes the least amount of time to install, but you will have the expense of buying the system, as it is the most expensive.