Can anyone recommend a case?

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http://forum.xda-developers.com – I bought the HP sleeve off amazon for 8 dollars, but wish that I had gone down the book case instead. I played with my buddie's G Tab 10.1, and utilizing the case's 3 leaning angles was an absolute dream. So, anyone have a case you'd recommend? Price does matter, as I'd like one within the 20 dollar range. I found this one. http://www.amazon.com/CrazyOnDigital...note+10.1+case Opinions? Suggestions? (HowTos)