If you're a Mario fan wanting to get in on some early playtime with Super Mario Galaxy, here's your chance. Nintendo released a list of all the games that will be playable at E for All (more info), and amongst them are quite a few Mario titles:

Wii
Super Mario Galaxy
Super Smash Bros. Brawl
Donkey Kong Barrel Blast
Mario & Sonic at the Olympic Games

Nintendo DS
Mario Party DS
Mario Kart DS
New Super Mario Bros.

To see a full list of titles, click over to the blog!

Source: NOA press release