Cd reissue wishlist reviewed this one long ago, with a priority none. Personally I really like it, due to its inventive electric guitar-based fusion music. Their next two albums went in a more new agey direction as you can tell from the titles: Planets, and Himalaya. They are oddly rare altogether, though the music is quite enjoyable and listenable.
My favourite track is the ST one with its meditative minor chords, and the modulations are just ingenious. Note the use of the fuzzy vocoder (?) in the guitar solo later on:
Like Sir Gawain, the romantic warrior seems to have been a very tragic hero.