It seems to work, I have installed GPE on my PC too and here is the Unison profile I use:
Code:
# Unison preferences file
root = /home/USER
root = /CARD_PATH/_local/home
path = .gpe
path = .gpe-calendar
# log file
log = true
logfile = /home/USER/.unison/GPE.log
# ignore permissions
perms = 0000