Hmm I think it also depends on what your build is too. For example, my RvR build is made to focus on mage killing. This includes high HP, spell resistance, high STR and increased interruption.
Against a tank it does not work as well. However, I have yet to lose to a mage 1v1 ^^; War Lion with 50% prema movement speed + leg swipe, with me using Charge, Feline Grace and Cleve Limb, you're not running away. No matter what debuffs you are using to try and hold/slow me it won't work since I'll probably be beating your face at about 3 sec later XD and as you're running away you are taking additional damage and stat debuffs. Not trying to say that WL > mages but I think it just comes down to what your focus build is.
I have to admit that Magus seem too far in between on our server. So I guess I can also say I have yet to really meet a good one yet. I don't even know what they do besides plop out little colored man-things XD
On a side note I love killing sprees with my honey!