The Aug. 29 Deal of the Day brings us the Seidio CONVERT Combo Case for the HTC ThunderBolt. This thing's a monster. It's got four layers of protection, plus a holster, making it the ultimate accessory for your ThunderBolt. Start with a 0.1mm thick screen guard, which protects your display. Then there's the Seidio Innocase II surface case that protects the phone with a hard yet flexible design. On top of that goes a rugged skin and skeleton that's just 2.5mm thick. And add to that the CONVERT holster, which keeps the entire thing at the ready on your belt. And best of all, it's available today for just $22.95 -- that's 54 percent off. Get yours while supplies last!