Could be a rating bracket thing. At my level I've run into 10 of people either letting the clock run down or dropping the connection after having practically lost the game. So it not the norm but happens wasy too much.'
As for computer cheating in... sont think I've ever met that. Some people just have hard tie asccepting that they suck at chess. Not me I know it already :)
+1
chessph is missing his d! lol