Found this thread and sorry to resurrect but this was my experience with them.
I would never purchase from them again.
I purchased a pinball machine from them a year ago and paid the premium price at the time for the machine.
We called and ordered the machine and explained that we needed the machine soon as we were moving from the Chicago are to Kansas. They told us is would be ready in two weeks. Two weeks came and went and I explained that we only had two more weeks before we would be gone. Instead of saying they would not be able to make the deadline, they said it would be ready the day before we left. I went to pick up the machine and they had it on a dolly and powered on. I couldn't really play the game as the ball would not roll correctly being flat on the dolly instead of tilted like it was supposed to when the legs were on. So with the pressure of packing a moving truck on my shoulders, I trusted them and took the machine home.
We moved to Kansas.
It worked for two days. When I opened the machine to see why it stopped, it was a nightmare. The first thing I noticed was the playfield was smashed around a green insert towards the back. also starting to split up near the top channels. We called them and they said the only thing they could do is send an off color replacement. We complained about the machine not starting up and they said the only thing they could do is tell us to try reseating the connections on all the circuit boards. Then, they stopped answering ours calls.
Then I dared to lift the playfield.
The playfield pivot levers were bent and scratched the sides every time I tried to lift it, and they wouldn't lock in the upright position. Wires were broken off the coils and sometimes melted into the connectors (like on the trough pcb connector). The one pop bumper bracket had been glued with "liquid nails" type caulk glue, which at no surprise, had broken again.
The drop target was busted beyond repair, wasn't even functioning.
All the flipper coils and mechanisms were in bad need of replacement. One of the gun turrets would turn.
I opened the back box.
I have pictures of this if anyone wants to see this disaster. Hacked wiring everywhere. Burned connectors, crazy capacitors strung in mid air by wires going to nowhere.
I have spent the last year repairing this machine. Every time I take something apart that I haven't touched before, I find more disaster.
I just took the main driver board out today because of blown fuses, and the backside of the board looks like it went through a war, ripped up traces, wires soldered everywhere.
Do not buy from Monkey's Arcade unless you are ready to spend twice what you paid for the machine to buy parts.
Never again.