I like the Oxford Bible Commentary in many ways. But the author of the commentary on Mark can't stop telling the reader how confused and wrong the gospel is. Time to find another one as I read through the gospel.
NBC21 is pretty good. And TGC, online. Let's see, what's on the shelf behind me ...
Bible commentaries are complicated, very much reflect the perspective and presuppositions of the author. That's why it's said you should consult them last in your process of Bible study.