Re: .270 or .308 for pratical hunting?
As for rifle choice I prefer the CZ 550 American and the new Vanguard S2. I don't have a .308 but have a 30-06(which I prefer over .308), a .270 and a 6.5x55. My favorite caliber is easily the 6.5x55, the recoil is noticebly less than a .270 and 30-06 for me.
The most traumatic event of my childhood was when they switched Darrins on Bewitched.