Of course best of polls have been done before, but I'm hoping this one is a little different. You can only vote for 6, 7 or 8. No 9. No 3, or 4, or World of Xeen. Just 6, 7, or 8, and give a reason why you're voting as you are.

(The reason for this poll, if anyone cares, is that I'm trying to decide which one to devote my limited time to and I want to play one of these 3.)

MM6 gets my vote due to fewer exploits and being better at allowing you to go wherever you want. No overpowered characters like in MM8(Dragon).

I like MM7 very much.
MM6 is a sandbox where you just rampage monsters.
MM8 you no longer play a squad, but a toon inviting overpowered monsters.
MM7 has a better gameplay than MM6 (character system is more tunned).