I have a GTA02v6 with debian installed on a microSD. I use the freerunner as gps and not as my primary phone.
Issues:
Development environment:
I use http://people.debian.org/~aurel32/qemu/armel/ upgraded to sid for testing / compiling stuff. I use distcc as described here: http://wiki.openmoko.org/wiki/Development_Environment#Building_debian_packages_with_qemu_and_cross-compiling_distccs
To cross compile debian
Stuff you want to do on your freerunner:
Useful wiki pages:
What i'm working on: