I would be interested in an upper if they had pushed the shoulder back and shortened the case a smidge, to make it magazine-friendly with the longer ogive high BC bullets.
I'd happily give up some powder space/MV, for higher BC.
As it is, no interest whatsoever.
Shane,
You pretty much nailed it.
Picture is worth a thousand words.
.223 Rem W/69gr TMK--.22 Nosler W/77gr HPBT----.220 WYO W/75gr AMAX.