I've found that this is one of the most useful reference commentaries out there. It accurately, so far as I've found, portrays the opinions of a survey of commentaries. The result is 1) quick main theme accessibility; i.e., I can see on which points people most often gravitate. Additionally, 2) I am able to take the information and turn to the commentaries that I believe most useful as a result. You need to read both liberal and conservative commentaries to get a good idea of what the author was attempting to communicate and the best application of that communication for today. This is a great tool to accomplish said task. I only wish that the cost was not quite so high so that I could own them all. However, as on that has done extensive research, I would say that the price is justified. Andrew is right that you need to purchase the other commentaries to get the link to the fulness of what they said, but I believe he is wrong that the commentary is useless without those additional resources. Libraries are available, and their general idea is accurately portrayed.