The Farquharson's have a simple elegance about them in my humble opinion. In a 600 I am guessing the recoil would be very sporty. and would torque very solidly to the side in a light rifle. Have shot several 577's and will stop there as it is my limit on what I can shoot very well. 600's cross that recoil tolerance line for me.
@franzfmdavis the 416 rigby make a great one gun safari rifle, but the recoil from the 375 crosses most folks recoil level. IE 375 300gr 2550fps in a 10 LB rifle recoil is 40-45 ftlbs. The 400gr at 2400 in a 10 lbs rifle is 70ish ftlbs. depending on weight of the 375 and 416 the recoil will go up or down a bit but still 25 -30 flbs difference.