Apart from the Thomas Taylor Series, the Prometheus Trust also publishes other works (click on titles for description, price and ISBN):

The Symposium of Plato (Students' edition) with Plotinus' Ennead On Love, Thomas Taylor's Poetical Paraphrase of the Speech of Diotima, and three modern essays.

Know Thyself - Plato's First Alcibiades & Commentary (Students' Edition) - much of the Commentary of Proclus, together with three modern essays

Beyond the Shadows - The Metaphysics of the Platonic Tradition (Students' Edition) - Writings on The One and the Gods, selected and introduced by Guy Wyndham-Jones; also The Universe of Being - a five chapter extended essay on the ontological reality which is suspended from divinity.

The Unfolding Wings - The Way of Perfection in the Platonic Tradition (Students' Edition) by Tim Addey.  Philosophy as a living discipline and a path to enlightenment

The Seven Myths of the Soul by Tim Addey: a philosophic exposition of ancient Greek myth, which combines the modern exploration of mythic themes of Joseph Campbell and the insights of the ancient Platonisits.

From My Reading to Yours by PMBH

Homer on Immortality by Roger Sworder.  The most noble and worthwhile task which challenges Classical scholarship in the twenty-first century is the re-interpretation of Homer's epics as scripture.  This done, and Homer restored to the philosophical canon, the history of Greek philosophy will be transformed from an account of the origins of empiricism into the unfolding of a wisdom as pertinent to us as to its first hearers.