Android needs ARMv5, and the 920T core used in the 1973 and FreeRunner uses the ARMv4 ISA.
The hardware page has links to all available datasheets: http://wiki.openmoko.org/wiki/Neo_Fr...GTA02_Hardware
There's a group sales page setup on the wiki too which will get you the phone for $369 instead of $399: http://wiki.openmoko.org/wiki/GroupSales
I would have no qualms about getting one if it had EDGE, but it doesn't, so I'll wait for Android. Patience is a virtue