What do the "*" and "+" mean by a name in the list..

[joebba]

of members visted today and currently viewing?

[cinskyline]

The "+" signifies someone you've designated as a friend.

The "*" signifies someone that will not show up on the "Current Users" list because they have chosen to be "invisible" when online.

[Muskie]

yes... except that supporting members can see users online who are otherwise invisible.