Your question should go to an ActivSync group, not an Outlook group.
AFAIK, the answer still is that only the default Contacts will synchronize.

Signature
Russ Valentine
[MVP-Outlook]
>I have two contact lists in Outlook 2002 that i wish to sync with my pocket
> pc running Windows Mobile 2003. Using Active Sync 3.7.1 only the default
> list syncs. How do I get both lists to sync?