The 270 WSM really is a great hunting round, you can go light and fast or you can load up with a 165 Matrix which will match the best the 7mm can bring.
The 140 Accubond is a good bullet if you keeping your range down, I prefer the Berger 140 over the Accubond because it opens a little better on the lighter deer but still works well on elk right behind the shoulder. After shooting the 165 Matrix it just don't get much better!!!