Filtering dates for a 'period of time' view

Hi,
I'm using views.module (altogether with some other modules) to run an events site for my town. I'm trying to get some views from the events nodes (CCK content type) but I don't have a clue how to filter them properly.

The views I need are:
- events today (it doesn't matter if before or after 'now', see it doesn't seem to be an option to me)
- events tomorrow
- events after tomorrow
- events for all three
- all future events

The date field is mandatory but a 'to date' date is optional, for there are events such as a film shot (one only date) or a painting exhibition (from-to date). For the 'all 3 days' view I was guessing a solution similar to:
(view filter)
- start date (mandatory) : 'less than or equal to' today + 3
- end date (optional): 'greater than' today-1

where 'today' is not 'now' but the whole day for the given zone time.

So, I believe there may be an easy solution I'm missing, because I think it's not a complex scenario but maybe...
Could you please give me a hand or, at least let me know where should I start learning from or re-posting this story?

I've just joined this group and I hope it's the right place to post my previous doubt. (if not you may kick me off :-) )

Thanx in advance,
hip