Yep, the standing machine gun jab has always been OP -- it'll likely be replaced with a standing combo soon. Also Wraxe will be getting significant buffs via new attacks -- he was the first boss from before we added mobility features like dodging and sliding, and is definitely too easy now :D.
Will look at the Brute scene -- there are a lot of outros we want to improve upon or add still. We're doing a full nelson scene soon with a new "Ghoul Brute" (not final name, but you get the idea) -- will work on mating press ideas for one of the big guys :D.