The 300 WSM is a great round. My daughter and I each have one in a Winchester M-70. Mine is a Featherweight and hers is a Laminated. I agree that the recoil is about the same as the 30-06, it was a little more than Megan enjoyed so we had a muzzle brake put on it. With the muzzle brake she enjoys it just as much as her 257 Roberts.
Megan has taken big mule deer, moose, wild hogs, a beaver (whole long story) and white tails with hers and I've done the same plus a 500 pound black bear. We use Barnes X bullets and it's a great combination.
We're going to Africa for plains game next June and the 300's are what we're taking for that.