The Oct. 5 Deal of the Day brings us some serious protection for a serious phone. The OtterBox Defender Series Case for the HTC ThunderBolt brings three layers of protection -- a thermal membrane, polycarbonate shell and a high-quality silicone skin -- to provide the ultimate case for your ThunderBolt. It's not the most svelte, but then again you know you've got protection. And it's available today only for just $24.95. Get yours while supplies last!