I just scanned through the list...at least a half-dozen of them are in big trouble. A few more could lose under the right conditions. The seat previously held by John Efford (Natural Resources Minister from Avalon, NL) has a good shot of going Conservative as well.
(Denny Crane: "I Don't Want To Socialize With A Pinko Liberal Democrat Commie. Say What You Like About Republicans. We Stick To Our Convictions. Even When We Know We're Dead Wrong.")