Andrew David Naselli gives an excellent review of the top three sets of commentaries for serious students. This review is in the Detroit Baptist Seminary Journal 12 (2007): 81-99 entitled A REVIEW ARTICLE PNTC, BECNT, and NIGTC: Three New Testament Commentary Series Available Electronically in Libronix

The three sets are Pillar New Testament Commentary (PNTC), Baker Exegetical Commentary on the New Testament (BECNT), and New International Greek Testament Commentary (NIGTC).

Here are some excerpts that give a general summary of the three sets just to whet your appetite to read the entire article: