There are few more certain ways to get an infraction on these forums than saying "lol".
Personally I took imp Mark because of the whole rage/dodge mechanic.
I know that it will take more agility per point to get the dodge back to current marks, but thats a ton of rage right there, not to mention swipe crits and more. Frankly I think rage starvation will mostly be a thing of single mob tanking, and even then its not that much of a hit.
I would rather have the extra edge in stats and armour now. But thats just me. I can see the other point of view, but I must say with the new swipe I plan on a lot less CC lol, of course it helps that I have a Pocket healer who travels with me.