I think it be a good thing to find a way to allow users to automate models in ArcCatlog instead of having to set up task schedule. I have an end user that runs a model twice a week to update data from our SDE to a local standalone FGDB. The model takes about 50 minutes to run. It be nice if possible to set a varaible in a model to run at a certain time. I know this can be done in task scheduler but not all users may have the correct privilages to do that.