What do you all think of the accusation (for lack of a better word) of subordinationism in the writings of Saint Justin Martyr?
Only Modalists accuse St. Justin of being a Subordinationist, IMO. That's because Modalists hate any reference to the monarchy of the Father, or reference to the Father as "God" proper, and label it Arianism or Subordinationism. In this they find themselves unable to reconcile their belief with the Scriptures or the early Fathers.
Subordinationism, however, has to do with Christ's essential properties being inferior to the Father, not his relational status as begotten of the Father. Early Christians called the Father "Theos" proper, that is, God. They called the Logos of God, from God, begotten of God, "Theos" in the sense of Divine (which is often mistranslated "a God").
"The grace of the Lord Jesus Christ, and the love of God, and the fellowship of the Holy Spirit, be with you all."
He also refers to Christ as being the "first-begotten Word of God, even God." Would it be safe to assume that by "first-begotten" he means that Christ is the heir of all creation, having the position of preeminence in the universe, rather than saying that He is a created being?
"He is the image of the invisible God, the firstborn of all creation. For by Him all things were created, both in the heavens and on earth, visible and invisible, whether thrones or dominions or rulers or authorities—all things have been created through Him and for Him. He is before all things, and in Him all things hold together." -Epistle to the Colossians
Seems pretty Orthodox to me.