I think highly of the 7mm-08 and feel like the others if I was going to get another 7 it'd be a 280AI. I do think the 7saum is one of the best "bigger" 7s because of how efficient it is. You may have already read it, but I think this is an interesting read by guys who run a lot of bullets:
http://www.accurateshooter.com/cartridge-guides/7mm/
