as much as I love the 270, been shooting one for over 30 years now, if it came right down to one caliber for all of North America short of the big bears... it would be the 280AI...

faster then the 270, can handle all the 7mm bullets, shoots right up to the 7mag velocities and has less recoil, better case life and just flat out looks better... plus you can use factory 280's if you get out some where and need ammo...