You want new tracks and new tricks? The next Mario Kart also reportedly features mid-air tricks that, if pulled off successfully, will give you a boost upon landing. We suspect that will be course-specific (ramps, big drop offs, etc.) and not a sign that you'll be able to jump and twist your driver ad infinitum to speed through the race.
In addition to the 12-player online matches, you will also be able to play four-player split-screen, and ghost downloads for time trials will be available. In what sounds like it might be online-only, you can customize the game by playing as your Mii avatar on a bike or kart. Is that enough Mario Kart info to keep you satisfied for awhile? No? Why, you greedy little ...
Gallery: Mario Kart Wii