Man caves run the gambit from cool to crazy. I'll let you decide where these fall on that spectrum. (Star Wars Zone pictured above.)
I love my stuff as much as the next guy/gal, but this might be a little over the top. It does, however, prompt the question, is there any gadget or tool you love so much as you would attach it to yourself? I mean, I have a particular fondness for my glue gun, but I’m not going to undergo plastic surgery to make a holster for it.