I am happy to state that with my new corona mill, after some tinkering, I have achieved 80% efficiency! I did an octoberfest this saturday, and with my own crush i actually overshot my OG. Originally it was suppose to me 1.060, and I hit 1.066! The color looks fantastic, I have to say that I am super pumped about this one. It is my 7th AG, and I can taste that I am getting better and better with every batch. Thanks to all you guys for your helpful imput and advice. Now.... time for another EW's pale ale.