After pranking you with the iCade for iPad, we figure we may as well lay some real gadgets from ThinkGeek on you.
Here is a super-geeky Epoch Alarm Clock, which can display the time in multiple different formats, including binary and hexadecimal. My favorite? Of course, it has to be why the clock was named: the time since the Unix epoch (Jan 1, 1970).
(Please note prices are subject to change and the listed price is correct to the best of our knowledge at the time of posting)