This seems kind of silly. You're not forced to multi-task, why not change your habit and use only one application at a time? Try http://www.nowdothis.com http

This seems kind of silly. You're not forced to multi-task, why not change your habit and use only one application at a time? Try http://www.nowdothis.com http://www.nowdothis.com - maybe it'll help change your "bad" habit? I'm sure there's an application out there that forces any window on-top and probably blocks out other application sounds.