@Ilja: I'm not too fond of the idea with plain english. as aC cannot possibly parse every english sentence, you have to define keywords like "give me all objects" and "related to" and "and", and so i see no obvious benefit of this method versus using XML or any other standard.
perhaps i misunderstood, and you were speaking metaphorically....
Benefit is in data aggregation. Instead of querying 12 tables to see what is due for a specific date you query just the index table and than go into other tables to get details (if required). At the same time you can see who is assignee, is this item completed or not, what is the parent project etc.
For me, a simple, graphic calendar would be great. Should show all current 'events' on the right date. Ability to add/remove 'appointments'. Need to be able to give users permission to edit a shared calendar. Ideally, each has their own calendar (which is already really there, just not graphically displayed) plus the shared 'company' or 'group' appointment calendar.
I tried to use Sunbird and it loads the activecollab ics file just fine. Biggest problem is that I have users on Win98 and Sunbird no longer supports same. Also, it is perhaps slight overkill for what we need, though not as bulky as it probably will be one day. I might try 30Boxes, but I would rather have it all on my own site.
Anyhow, aC is cool, I have been experimenting and following for some time.
perhaps i misunderstood, and you were speaking metaphorically....