Opinions are like ********
I own a .300 and use it a lot. That said, at 300 yards or less, the .300 Win Mag is no better than a 30'06 for anything less than AK Moose or Brown Bear ( for which, even it is not a good choice). I can't tell you how many elk are knocked over each year by the 30'06 and less cartridges.
BTW, you made an excellent choice in the Savage package. That is a best buy in my opinion.