Okay, I'm probably just stupid. I've created a new database, new URL location, new everything for testing the beta and as soon as I try to do anything with Roster Config...
406 Not Acceptable.
Not Acceptable
An appropriate representation of the requested resource /horde/index.php could not be found on this server.
Apache/1.3.39 Server at sok.bajah.com Port 80
when accessing: http://sok.bajah.com/horde/index.php?p=rostercp
I'm successfully running 1.7.3 with no problems at http://sok.bajah.com/roster
So I dunno what I'm doing wrong :/ I searched the forums and didn't see anything standing out at me, though it's possible I overlooked that if it's there. I'll keep looking and researching though