The port is in progress…
You could see the state there : http://www.rockbox.org/twiki/bin/view/Main/SansaV2
They have actually some problems with the wheel (the detection is not perfect) and the internal memory (only the first GB is supported).
And you can also read the thread (if you’re developper otherwise don’t post a message because it’s developpement thread --not a support or install thread–) :
