The new system is working well for me on both biz and leisure travel.
Example 1: SFO-IAH, base fare in Y $365 x 7 = 2555 rdm v. 2044 (pre-2015)
Example 2: SEA-SFO, base fare in F $269 x 7 = 1883 rdm v. 1186 (pre-2015)
Of course will be even better when my status goes up