I also type quite fast too, and I get that amazed glance from my peers or just strangers close-by ... next thing I know I get the typical ... "You know, I have a Windows PC, and I think I caught a virus".

I just answer them "Sorry, that's not my expertise" ... but one of these days I'll just get one of those "I WON'T FIX YOUR COMPUTER" teeshirts, because nothing can suck the life out of you faster.