Here's where I got my Ouya sales tax free http://amzn.to/14puL4P
If you want an Android Mini PC for XBMC and nothing else the Ouya is a good choice.
If you want to be able to run thousands of Android apps check out the Minix Neo X7 full review here http://www.youtube.com/watch?v=cBR3ZrurMKI
You can buy the X7 here http://amzn.to/14XN5oj
