I've confirmed that the signed versions of the apks packaged from the transformer that were ported to the Xoom are working just fine on the 10.1 I/O Tab. Not sure if they work on the others just as well but they are running smooth for me.
Thread is here: http://forum.xda-developers.com/showthread.php?t=1048959
Thread is here: http://forum.xda-developers.com/showthread.php?t=1048959