That's a known issue. My Palm device (Zire 21) doesn't support calendar
event categories at all as far as I can see, but it is possible that the
newer devices that support Organizer Plus (Zire 31, Zire 72, Tungsten E,
Tungsten T3) do.
If you would like to see this feature in an updated conduit, be sure to send
your feedback to Microsoft. In Entourage X or 2004, go to Help -> Send
Feedback on Entourage. Otherwise, click on this direct link to enter Mac
Product Feedback:
<
http://www.microsoft.com/mac/feedback/suggestion.asp>
