took her under the knife (need some opinions)

[Bushwacker]

I'd pick the 140 over the 150 due to it's lighter weight, plus it should be cheaper; either one is more than enough power. I believe the 175 and 150 are about same weight; when I was looking at them, I would have picked the 175 over the 150 because it has variable cam timing, so it might also be a little more efficient than the 150.