40K Friday: Grinding Away at Grey Knights

I should probably post something about all the new rule reveals but in my experience it's very difficult to draw any real conclusions when you only have part of the picture. Sure, we've seen the contents of the big box for the new edition, and some of the new combat rules, and WarCom is banging away every day now with details on some detachments and it's a lot of fun ... but it's not enough to…