Ok so this thread has been asleep for a while. I run a Zeiss 3-12 x 56 because I love the low light ability. I've tried many, many scope combos!
Regardless of which way you go, always remember to crank it down to low mag when you start calling! Over the years I've missed a couple dogs because the scope was cranked up and a dog would come blitzing in from the side and I'd raise the gun, not be able to find the dog, then try and crank the magnification back down...and by that time I was scrooged!