I think the 999 plan is intriguing and worth of discussion, but there are a number of aspects to it that say -- to me, at least -- that this is nothing to jump into. For one thing, Cain actually supports the FairTax, which would eliminate all other taxes and would impose a sales tax of 30% on everything. For some reason, I assume because baby steps are easier than big steps, he wants to start with 999 and work his way toward the FairTax.

I found a link that didn't seem to be crazy so people might have a look:
http://www.freedomworks.org/blog/dean-clancy/herman-cains-999-plan-the-good-the-bad-and-the-ugl