With E3 just days away, fans expectations are likely hitting a fevered pitch. And they have plenty of reason for that, as the show established its return to form in 2009 and should grow this year. With high-quality products like Project Natal, the next Wii Legend of Zelda, and the Nintendo 3DS set to debut at E3, the show should bring plenty of new information on many highly-anticipated products. However, every tradeshow has a few notable absences, and this year's E3 will likely have a few games that don't show up. Here's the products we know we won't be seeing.