This is exactly what we do where I work. For those that don't like the idea of running DTS packages from the command line, try scheduling a DTS package as a job. You'll find that the job itself uses DTSRun.exe, so there isn't much difference.

We wrap a substantial but not complicated DOS command scripts around the DTSRun call too. We get a lot of flexibility and our staff who don't know SQL can make script adjustments and updates without much problem.