Took out the large PS3 logo.
Not sure that' s better.
Do you really need anything that says PS3 anywhere? To me, it breaks the illusion of it being an arcade cab. It's like putting "Intel Inside" on a regular MAME cab. Let the game speak for itself, in my opinion.
Other than that, nice job. 
+1 with the homie on this one pay homage to the game not the console. I used an xboxone, with no xb1 verbiages or logo's.
Yot, this cab is deceiving, its not a injustice dedicated, its an injustice themed cab, so i think more than one game will be played on it, which is why PS3 is being displayed.
as Malenko and Slippy are respected members 
Huh? Malenko, sure. Me? Oh please.
LIES!
Anyfart, I didnt mean to imply he should only use 6 buttons on this build, just that MK9/MKX/Injustice do not require 8 buttons to play 
You can play tempest w/o a spinner too, but its not as fun

. You can play CAVE games on a wide screen, but it looks better on a vertical. The Dallas Cowboy art looked better w/o the marquee. Do you see where I'm going with this?
YourMKArcadeSource built an Injustice cab a while back.
Here it is in action:
He had 8 buttons and it looked great.
DeL
Cause the man understands how fighting games are supposed to be played......
(Right on, shiiii, he didn't trip, sucka payed the eight ball like a mutha)