systeMacs can help you with iCal. We can help you publish multiple calendars to remote sites
and integrate your calendar with Address Book and Mail.

It's easy to find things on your calendar using iCal’s powerful search feature. Just type in what you’re looking for in the search field, and the matching results appear as they’re found. Go to any event simply by clicking on the event name in the search results list. Or use Spotlight to search for calendar events and To Dos by summary, location, organizer, attendees and more right from your Desktop.

You can also show or hide multiple calendars for office, personal, kids, etc...