Here is my favorite
http://www.youtube.com/watch?v=7wsCcniYXYg

pedigree commercials get me everytime
http://www.youtube.com/watch?v=PJNY64cQeuo
http://www.youtube.com/watch?v=Mk7tsp4wdVo

and of course the sleepnumber with the Dane
http://www.youtube.com/watch?v=qex1RMwdZqM