me....seems to be really good if you are super senior or super junior. Middle of the road is a crap shoot. And if you have morons in management like I do, they tweak parameters and wont tell you about it, so you maynot always get the big picture and be able to bid accordingly. I will say that I do like pref bid better now, but i'm top 15% company wide and top 40% in base....but you are definitely more at the whim of management, such as no more bidding around/over training days and vacations.