Ha!
Debian SID ARMHF with the unstable hardfp drivers from the nVidia-page (works well!) on an ASUS Transformer Prime.
It’s TWM with XTerm you’re seeing here right now.
Next issue: Getting USB working, getting the Synaptics driver working, compiling Gentoo for this device (maybe directly on it? I mean… 4 cores… each 2GHz 😀 )