I have not actually read this translation, but based on his wonderful translation of the Physics, my guess is that this one is worth owning.

Aristotle's Metaphysics translated by Joe Sachs; Green Lion Press

The Aquinas commentaries on Aristotle are some of the best examples of slow reading:

Commentary on Aristotle's Metaphysics by Thomas Aquinas (with a translation into English of William of Moerbeke's Latin translation, believed to be the one used by St. Thomas).