this is a Chinese PCBA meant for use in cheap tablets. Its not open source, nor will there be any more once the supply dries up. A good bargain while they last, but, hardly competition for the Pi.
I have a Pi and it's pretty cool. Here is a vid of me pulling up FreeRepublic on the Pi.
I don't know if you roll your own software or not, but if you do, how are the tools? Which gcc?
I've done some ARM bare-board work back when they first came out, 2.14 kernel I think, and I had to hand-roll a LOT of stuff. Sorry for all the questions, but I've wanted to quiz someone that has one.
/johnny