Today the Ubuntu & OMAP Community released Ubuntu 10.10 ‘Maverick Meerkat’ Beta images for OMAP3 & OMAP4 at
http://cdimage.ubuntu.com/ubuntu-netbook/ports/releases/maverick/beta/
Instructions on using them are at : https://wiki.ubuntu.com/ARM/OMAP
Do you have a OMAP development platform- give the images a spin and report issues at https://bugs.launchpad.net/ubuntu/+source/linux-ti-omap
Question on the images can be posted on #ubuntu-arm or #linux-omap channel.