John, I am one of the biggest 260 fans, but I also own a 270 Sendero. My 270 shoots very good and should make a very capable long range deer rifle. Of the 10 deer/antelope I shot with my 260AI in the last 3 years, all could have been killed with the 270. (75-609 yards)
I use the 260AI just because I have a huge amount of confidence with that particular gun. Of the 10 animals none needed a second bullet.
I guess I could take out the 270, but why break the string?