Ordered three more Magik-Arms last night. I also got some Floyd Rose goodies via gift card for Christmas, including one of the Old Style arms to try out (just need to figure out which guitar to put it on).
My experience with the FR push-in arms has been mixed. I have several of them, but with them it's hard to strike a good balance between having them tight enough to not wobble, yet loose enough to rotate freely (I like my bars to hang, ideally). Other than that, I've also found the FR push-in arms to be inconsistent with regard to their installed height; the first one I received was 1/4" too short, and would hit the volume knob, so I had to make a 1/4" bushing to raise the arm high enough to clear the controls. Magik-Arms will likely replace most of the push in arms currently installed.