I havent' seen many bugs in 'em, but yeah the smokers' computers are bad. Had one at where I work, that made our shop smell sorta like a meatlocker the smell was so bad from smoke >.<... Had one recently at my house that was a smoker too...needless to say I put that thing in a plastic bag, and sprayed some air freshener all over the bag lol...
I'll try and post the pics that I have later today, gotta find 'em first.