[gmq]

http://crashplan.com - Easy unlimited backup. For all those things that don't fit in my dropbox folder. Also, it's the only service I found that had few bad reviews (unlike Mozy).

http://linode.com - Good and reliable VPS.

Does it count if you only need to pay once for the service? If yes:

http://pinboard.in - The cleanest bookmarking service around.