ps.
www.onecall.com has heavily discounted stuff a lot of the time. Right now they have some big discounts on Polk, Boston Acoustics, Infinity, KEF, and some others... up to half off. Great place to buy from... exc cust. service.
edit/addition: If you are really sold on the Def Tech Mythos Five's this may help. It's a review of the Mythos Five, gems, and s-cube II:
http://www.definitivetech.com/review...vu_TPV7805.pdf