Few thinks are absolutely necessary:
1. NetBIOS as you know don’t use special characters for your PDA name.
2. If you have a IDS or Firewall open TCP connection to ports: 139 and 445
3. well…
best think you can do is go to:
http://www.wifizard.com/tutorialsXP/sync/index.htm
there you will find the full version of my Pictorial.
Cheers,
Ivan