For years now, those in power at the top of the CableCARD chain have told you that installing your own CableCARD within your own HTPC was simply impossible. "OEM or bust," they said. It's a good thing they're wrong, isn't it? Over at Engadget HD, we've assembled a guide that explains how to get your existing media center PC to play nice with a dedicated internal CableCARD tuner, and the whole process just might be easier than you've ever imagined. Give it a look right here.