The OUYA gme console has already something in common with the Sony PS4 or the new XBox:
You can pre-order all of these consoles at amazon!
The EURo price is 119,99 in Germany. OUYA is currently not available on the UK site of amazon.
For you to compare:
Makes the OUYA look pretty cheap, right? Well - of course I know there is a difference on the feature level as well.