You don't mention what versions of Bridge and the OS you're running.
I have the Preview panel on my main monitor and everything else on the second monitor. This works for me in CS4 and in CS3 or CS2. No problem saving that as my default space.
<http://www.pixentral.com/show.php?picture=1OMtcYV1y6TWyTkNz7E64iH2cuIV5>
Start fresh, and this time do not attempt to move the pods around, rather move the panels. Bridge doesn't like it when you move the pods themselves.
Adobe Bridge Macintosh forum [CLICK HERE] <http://www.adobeforums.com/cgi-bin/webx?14@@.3bba3d51>
Adobe Camera Raw Forum [CLICK HERE] <http://www.adobeforums.com/cgi-bin/webx?13@@.3bb6a869>