[dave256]

Yes, on the iPhone/Touch go to the Settings app, Mail,Contacts,Calendar and click on the OmniFocus Reminders calendar. Click on the server so you can see the entire path to the calendar on your iDisk.

Now open iCal on your Mac, go to the Calendar menu and select Subscribe (Option-Cmd-S), and then enter:
https:
followed by the path you see on your iPhone/Touch.