The following posts helped work for me:
Wireless SyncingSamba Over USB (will help with additional setting tweaks)
A couple of things I found while trying this last night: I had trouble getting syncing (and accessing Samba shares) to work when the connection used DHCP. Maybe that is just me, but I've read other posts that say that having the Zaurus wireless card has to have a .1 at the end.
I'm actually probably going to end up using the Samba shares I created (which you can do by editing smb.conf) more.