40K Thursday: Retrograde or "7th Edition?"

So after the game last weekend Blaster mentions that he's been looking into 40K again recently - he hasn't played a game since 9th - and while he despises 10th/11th edition (too many cards, too many changes for no good reason) he is interested in trying an old edition again. We discussed that option for a bit and settled on 7th, last of the 3rd edition inheritor generations. Now I won't try to…