My friend, Nijay Gupta has completed work on his first commentary, Colossians, for the Smyth and Helwys series.
The series is excellent, and Nijay's contribution promises to continue this trend. The commentary can be ordered here, and one can find other info including a sample, plus wonderful endorsements from NT luminaries such as Michael Gorman, Craig Keener, and Ben Witherington. One wonderful aspect of the Smyth and Helwys series is that an interactive CD-ROM is included with each hardback volume.
I believe Gupta's volume will fit nicely in front of my O'Brien (WBC) and Moo (Pillar) volumes.