News flash: The so-called "man cave" is no longer a place where guys gather to make fire and beat each other with sticks - unless, of course, that's what you and your buddies are into. Rather, today, it's a spot where grown-up kids of all ages can put their most favorite toys, keeping them out of harm's way or (eek!) the wife's field of vision. The great thing about this special area is that it's no longer an empty room with a La-Z-Boy and an old TV; as of late, it's actually become a pretty high-tech hangout. But while furnishings such as a video game console, beverage center, and poker and/or pool table could be considered a given, here are a few not-so-obvious additions sure to get any gadget freak's testosterone flowing.