I’m using Unison from University of Pennsylvania to keep my files in sync (bi-directional) from my laptop and desktop. http://www.cis.upenn.edu/~bcpierce/unison/
This is as an FYI for me…
unison -auto -servercmd /sw/bin/unison /WCLD ssh://jsa161mp.local//Volumes/jsa161mp700/WCLD