Qtopia on Neo1973
Where to get it
You can get everything you need from here. Currently the flash tarball has the 2.6.21 openmoko kernel and a Qtopia phone edition jffs2 flash image cross-compiled for the Neo.
It appears you must clear the flash chunks first. Get into uboot console  and enter
# nand erase kernel # nand erase rootfs
download and use dfu-util as normal  :D - Simple, Eh?
Most things seem to work out of the box, however you may need to use the following command to get audio:
# alsactl -f /etc/alsa/gsmhandset.state restore
The lock works, yet you must push the power button, then press the # on the smallest 9-keypad in the world.
Here are some screenshots of Qtopia runing on a Neo 1973. Personally I find it very impressive...
For full size videos, 346 MiB: