Here ya' go - download this and give it a whirl. I use it everyday (on my PC) to schedule shoots as well as updates for our site....and much more. I started using this a few years back when I had a Palm, and it's worked great ever since and I haven't used the Palm in a year or so.
Here's the link:
http://www.palmone.com/us/software/desktop/
Lemme know how you like it,
d*