Hello all,

I want to build a MAME system using a Raspberry Pi inside of a briefcase (very much like this one except more finished looking: http://goo.gl/JGfS0O)

Before I begin I want everyone to know that I'm a PiPlay/Raspberry Pi newbie.

For the monitor I want to use an old 4:3 aspect ratio monitor (hopefully I can find one at a thrift store inexpensively) and connect it to the RPi using a VGA to HDMI cable (http://goo.gl/WNxh6x).

For audio I'm going to either tear down a pair of already working speaker or build/buy a small amp for a speaker (either way I'd connect it to RPi's 3.5mm output).

Question 1: does PiPlay work well with older 4:3 aspect ratio monitors?
Question 2: Do I need really need dual stereo speakers or would one mono speaker be fine?
Question 3: How do I decide the arcade control layout? Also, can someone suggest cheap buttons and a low profile joystick (so briefcase can close)

FYI: I'm using a controller from an old USB keyboard to connect buttons and joystick to RPi 3 (which I have not yet ordered).