I agree. Why not still with the 139/140 grain bullets, unless you are going for big deer or boar, close enough to have the energy? The 150-gr bullets are generally going to be a bit stouter, because they are loaded for the .280 Remington, 7x64, and 7mm magnums. A Nosler Partition, BT, or 154-gr SST is going to open up better at 7x57 or 7mm-08 speeds.
In fact, the 120-gr Nosler BT is a tougher bullet than the 140-gr BT - same jacket thickness around less lead. It is a great round in the 7mm-08, whether loaded for closer range like a .257 Roberts at 2,650 fps, or flat out at 3,000 fps for deer out to 300 yards.