I have both. Deer dont know the difference between the two. For some reason though i almost always reach for my 7-08 over my 308 in same model rifle.
The cant find 7-08 ammo has been a non issue for me but, im not the type that waits till almost end of bow season to go buy one box of shells. Ive stocked up when i found good deals and most of my stash of 7-08 ammo probably averages out to about $17 a box.