ThermaPAK for PowerBooks

We've already established that there are
some heat issues with the sleek, sexy aluminum Powerbooks, but now there's a product to help dissipate that heat: 
ThermaPAK. The ThermaPAK looks like a nerd's pizza delivery sleeve, but it's really just another $50 laptop sleeve with some added heat blocking / dispensing features.  All you guys out there will appreciate the ThermaPAK's ability to block the deadly "testicular dysfunction"-causing heat rays from your Powerbooks.  It only comes in one size large enough to accommodate the 15" model, so you 12" owners will have a little jiggle room in the sleeve and you 17" Powerbook owners are out of luck (like you really lug that huge thing around town anyway!).  Make sure you check out their
technology page for lots of graphs attesting to how well it works compared to its competitors.

O'Grady's Powerpage
has more info on the product: "The active 'ingredient' behind ThermaPAK is a phase change material that goes from solid to liquid and vice versa when heat is absorbed and expelled, respectively. The great feature is that the material can revert 'phases' for years without any noticeable changes in its heat capacity. And this all occurs in room temperature. No need to put it in the fridge."

Any pizza delivery people out there want to run a comparison between this product and your delivery bags?