PS I have a router jig to make dados similar to this:
http://www.benchnotes.com/Router%20D...dado_guide.htm
I just didn't make it big enough for a 2' wide panel. I will be making
a bigger one for the dresser I plan on building next.


Take a look here.

http://www.iedu.com/DeSoto/dado.html

This jig is self squaring and requires no shims when using a top bearing
flush trim bit.