Yep, Dark Vengeance was 7th Edition 40K, and I have that set. Believe I might have opened it once, and that it is the initial boxed set that had a character figure in it or some such.
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Wow, 3 starter sets for 8th Edition, that's different. Can't recall that happening previously. Perhaps I'll pick one up just for the small rule book.
Not sure I'm into the Chaos figures though, but we'll see.