Since this thread was posted I have gotten back to one of my teams that has a warrior as the tank. As protlover said, warriors are more proc based than paladins. My warrior does a lot more damage at the same level than my paladin but there are so many procs that can't be macro'd.

I tried setting up isboxer to just cycle through several procs each time I release the "1" button but I screwed it up somehow and it ended up getting broadcast to every toon, not just the warrior. I don't care about optimal dps, so long as the tank is holding aggro. I'm sure there must be a way to simplify warrior tanking with isboxer, I just haven't figured it out yet.