from what I have seen this year, I think 4a 152 and 321 a 145 are going to be the toughest depthwise. 130 in 4a and 112 in 4a and 135 in 4a may be some of the toughest to win because of the very tough indivduals (1 or two) but 321-145 and 4-152 have the highest quality numbers, I think.