Over the history of videogames, there have been countless commercials of the mega super awesome variety that have stuck with us in our hearts long after it was pulled from TV, and even past the point where we became tired of playing the game it was hawking.
Some of my favorites are the following!
http://www.youtube.com/watch?v=UvljN9ycqLg
I bought Super Smash Brothers almost the moment I saw this.
http://www.youtube.com/watch?v=Ru9zzFEdGWk
This one was so epic to my little 7 year old mind that I was prepared to sell my soul for a copy of FF7 and a PS1 to play it on.
http://www.youtube.com/watch?v=RZSkUTWZyeA
I always thought Paper Mario had a really charming ad campaign, best characterized by the "free demo" cutout pages in magazines.
And and and a more recent one that I love a whole lot:
http://www.youtube.com/watch?v=i5d0agRpuSo
Your turn!