Welcome to 2007. And if the projections are to be believed, an increase in paid search spend. Which in turn means an increase in competition.
Timely then, that this neat little permutation tool popped up courtesy of Dan Thies of the SEO Research Labs. Essentially, you split up the term into its constituent parts and the tool throws back all the possible combinations. Simple, and apparently effective.
See a demo, or give the tool a go here: