OK I hate April Fool's Day. With the exception of what ThinkGeek.Com does with it. Check this stuff out, all new items available today!
I can't help it, but I really want the inflatable Star Trek Captain's Chair. You never know with them either, in the past one or two of the joke items have actually become real items! Things like the Star Wars Tauntaun Sleeping bag come to mind.
IN any case, have a little fun today, but don't go overboard. Pranks are only fun if you're the one pranking.
EDIT: Oh cool, the Star Trek Chair IS REAL!