Not seen the dual benchmark proposal anywhere and there are many 'heated and too personal' discussions on the topic of benchmark and how to make it better, so unless its 'additive' you wont see me saying much in support thread.

(it's Sun-day so will now go for that spirit and sniff the little snow left up the mountain.... fruit trees are budding and blooming down here on the colli, though they absolute should not and never have been in my recollection, in January)