Thanks for the kind words about the
Drummer Cafe!
When you say
simple drum notation program, I assume that you also want it to be inexpensive.
Go to
http://www.codamusic.com and download
Finale Notepad it's free and is available for both MAC and PC.
The full blown
Finale is not cheap, nor is it simple to learn ... but it is the industry standard for music engravers.
Sibelius is a powerful notation program which is VERY simple to learn and use ... but it too is not cheap. You can check it out at
http://www.sibelius.comAll of these products have demos that you can download on a trial basis.