The iPhone 2.0 software update isn't even "officially" out yet, but Super Monkey Ball, the most anticipated iPhone game has already sold over 9,000 units.

The App Store was only available this morning via workarounds (it's now available through iTunes directly), so there's been a less-than-24-hour window where apps can even be purchased.

The Monkey Ball game is currently the #1 download at 9029 downloads as of this writing.

According to Apple, when you sell an application in the App Store, you get to keep 70% of the price. Assuming SEGA gets the same deal, that means for every $9.99 unit purchased, they get $6.99. Multiply that by 9,029 and you get $63,112.71.

Not bad for single-day sales for a downloadable title when the software that supports it isn't even officially available. Imagine how the game will sell after tomorrow when everybody and their brother gets an iPhone 3G with the App Store already installed.

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