It's rather unique and will be a good test of Alex because it is updated often (well, compared to other translations) and has three official versions, all with significant difference in focus and documentation. Only one version is public domain currently.

My favorite translation by far is the NASB (closest to word for word translation, so good for deep study, but a little harder to read if you aren't a good reader), but it isn't in the public domain yet. The ESV is also good (a touch easier to read, but still tends towards word for word translation ...