It's taken nine whole months for this mental-stresser to go from CES show-stopper to household mainstay, but at long last, the only Mattel product we could ever recommend (with a straight face) to those with an age larger than 12 is finally shipping. In short, the Mindflex forces your brain -- as in, that hunk of meat between your ears -- to keep a ball suspended in the air, and if you're thinking Matrix, you're thinking correctly. Sort of. Hit the read link to get your own for $79.99, and make sure you do so before these things sell out and break the $1,000 mark on eBay. It's almost the holida