Not much you have to do, install flash and use a browser that supports flash.
Would be nice if the BBC just sorted it out though, I don't think there is any legitimate reason for an iplayer app not to work on most android devices including HD quality.
Anyway, we do digress, I need to get this home and really have a play with it and set it up, I might even post some side by side videos with the Nexus 10. There was something I noticed when I played a few of the sample videos included on the device, there seemed to be terrible colour banding on the final fantasy video, but I need to check to see whether that is the file rather than the screen. Will be a little disappointed if it's the screen.