Tired of the power supply going sour in your Time Capsule? Join the crowd. Clickfree is making its annual CES introduction today from Las Vegas, and for those familiar with the aforementioned Apple product, you'll understand exactly how the Clickfree Wireless works. Put simply, it's an HDD-infused box with an 802.11n radio within, and it's designed to automate the backup of an unlimited quantity of Macs or PCs without any wires whatsoever. Sort of. You'll still need to plug it directly into each machine you're hoping to duplicate as the initial backup take