Jamie
PMFJI, but if you're interested in 'heavy' scheduling programming, you could also check Constraint-based Programming. It's a very interesting concept, and this link could get you started http://www.ilog.com/products/scheduler/

Cheers,
Jaime

>I guess that you've handled scheduling before. It's fun isn't it !! :)
>Lots of meta-data and number crunching.
>
>I was wondering whether the different facets of scheduling eg. Scheduling jobs, Reporting on schedules for certain day,Allowing users to modify parameters etc. etc. should be all withing the one businesss object or split up into several.