Hey, I'm a geek by trade, so my uber-l337n355 comes with the job.
My wife is lukewarm to the idea right now, but I admit to having had one or two hobbies with cash layout that ended up on the shelf. She also thinks that running around in the woods shooting people is a bit 'creepy'.
I suppose it is in some ways, but I grew up with an avid military historian for a father, so mil-sim has always interested me, and military hardware is like some sort of highly irregular pornography to me...
Don't take that the wrong way please!