1st: Thanks for posting all this. From the decks, to the tactical analysis, to the opinions, to the suggestions.
2nd: Does posting this really only change the "most played, broken, dominant, way-too-crazy-good deck" to the next best deck in line? What I mean is this, Magic the Gathering just banned x2 cards in their standard enviornment. Extremely comparable in power to cards we are all having issues with. This is going to do x2-3 things.
1) The dominant deck will crumble. There are no "like cards" to add into the mix to make it competitive on the scale it's used to.
2) The next best deck gets to tweak itself to ignore the 1st deck and worry only about the next best deck after it. Which means it can smooth out the resource curve, aggro curve, or whatever it compensated of itself to fend off the Public Enemy #1. In any reguards, all things being equal, the 2nd best decktype WILL get stronger and assume the crown.
3) Best case scenario (and that's what I'm assuming you are hoping for) is that the next x3ish decks will become competive at the same time, or perhaps a new deck that wasn't viable because the first deck was a "hard counter" to it. I think this is a stretch.
3rd: I think the worst thing your thread brings out in this game is the underlying imbalancing issues with LCGs. If you asked me, I'd tell you that the ONLY thing your topic really truely did was bring a nasty light to how bad LCGs can be on a competitive level. Smaller games, with fewer eyes, leads to brokeness that either forces the company's hand to ban/errata the crap out of cards or let them run rampant and grind the competitive nature of games into the ground. (as your 8/8 Empire final proved).
Not blaming you for anything of course, you are doing what we are all doing and that's wishing this game takes a turn for the better. So far we've seen x2 incredibly dominant decks (bolt thrower and VTHC) come and ultimately go because the limited nature of Up-And-Coming type card games.