A lot of the changes I recommended would increase the ease at which threat is generated by Paladins. Currently I lose threat if I do anything but spam an uncomboed Rage of Halone, and in certain fights it is hard to off-tank because I cannot generate enough burst threat with every ability tied to GCD (oh yeah I provoke, get one ability in but then lose aggro completely). And then the GCD change would allow me to actually stun during a Halone combo. I also made a suggestion to improve Cover so it is less cumbersome to use.
I'm not sure what to suggest with Warriors, as I haven't leveled one to 50 yet. But the post has a lot of things that would greatly reduce the stress of tanking.