for anyone reading this thread, you'll definately want to check out Johnny and Tig's maps. skillz i tells ya! SKILLZ!
Let's get some more people checking this out and commenting, come on. :-)
As for visuals, everything looks nicely bulky and solid, with a constant sort of blue-stone aesthetic over the whole MA spiced up by some unique teleports and other bits. The way that uncut rock faces are worked into some of the arenas is cool.
I miss the way Sour Bitterness used to play as an 1v1/2v2/ small FFA map though... hint... :)