1.5 seconds in theory.... until stuff starts beating on you and you get interrupts - etc.

Again, not saying this is not possible. Just make sure you think it through BEFORE you invest the time needed to make it happen.

Figure out the exact macros, maybe even test on the test center?

I theory crafted 4 warriors 1 shammy would do pretty well. In practice - it sucked. Melee range was a big problem.... I am sure I could have made it work with a lot more practice but it was just not as workable as one might think at first glance.

Plus, they nerfed windfury