Simply phenomenal. Moo has quickly become the standard for me in terms of what the ideal commentary for pastors looks like. I'd interacted with his NICNT on Romans for Rom. 4, 6, & 7, but this was the first time actually sitting down and working through an entire work of his. If you are a pastor preaching expositionally through the book, this is what you're looking for. Moo simply works through the text, makes various syntactical observations, points to differing options, presents the best arguments for them, comes to his own reasoned conclusion, and offers theological insights all along the way. I essentially stopped consulting Dunn's NIGTC commentary because Moo would say what his conclusions were when relevant. If you could only have one commentary on Colossians (or Philemon), this would be my pick. As I mentioned previously, Arnold's new WBC work on Colossians is a VERY close second. If you can grab both, I think you're very well set to work through Colossians. Moo gets the nod for: 1) the format & layout of the WBC is awful, 2) I enjoy Moo's concise writing style more (he typically says more in saying less), and 3) You also get a great commentary on Philemon.