The ones that are in their older 20s/30s are ... the one who are in their teens/20s can be a mixed bag.
I remember one guy hovering over me as I was trying the Rayman Legends demo when the first Wii U kiosks popped up whispering in my ear that the graphics would be far better than PS3 or 360. He totally had the "geek" smell to him too, lol. It was like meeting some of the fanboys off this board in person.
Generally I agree though the more sensible/non-geeky Nintendo fans are the most pleasant to sit down and talk gaming with or just hang out with. It doesn't hurt that a fair number of them happen to be women, the Nintendo booth at E3 for example had a much more mixed crowd.
The worst are the Callofduty fanboys and the Chad Warden (sp?) teenagers.
