Void Your Warranty

Like its more popular cousin the iPhone, the AppleTV is a beacon of simplicity in a category—set-top boxes that download and stream video from a computer or other device to your TV—crowded with wonky and complex options. Also like the iPhone, the AppleTV has its needless limitations: It plays video only in iTunes formats or from YouTube. No home movies or video (legally) downloaded from other sites are playable unless they’ve been specially converted.

Its the do-It-yourselfers version of Murphys Law: Every time you need to sink some tough screws, the battery in your cordless screwdriver is dead. So you do the only thing you can: plug the screwdriver into an outlet and endure the several hours it takes to recharge. But why wait all day?