An added note, I have a 600. I found it very easy to call Jimi and tell him what my setup was and let him suggest changes that made putting the 600 in my car very easy. He also had a great price in comparison to some of the prices in posts/threads I have since read. I would recommend Jimi for a 600 and David Kee for a toploader.
Mark, Hey, how are you?
I had a toploader. I got the 600 because of the OD. With the gear I was running, I needed something to bring me back to reality. The toploader was fine, but it did not have an OD.
Just my $0.02
