I have a use case which goes like this:
* I want to be able to create a multi- day event (in my case: one shooting match)
* Every day, 1 (0 if possible) or more timeslots are available (called 'series' in my case)
* People can sign-up for 1 or more timeslots (shooters can participate in more then one discipline)
* A limited number of people can sign up for one timeslot

Would it be possible to create something like that with 'vanilla' CCK Signup, or would it need some coding to achieve this?