I'm interested in the same thing. I've got an M2-ATX running the system and will be getting an SD-25a-12 from Jameco to run the backup camera and display.
From the Mean Well site I found this: http://www.meanwell.com/faq.html#A1
The output ground (GND) and frame ground (FG) is the same point in my system, can MEAN WELL's power supplies be used in such system?
Yes. Since our products are designed based on isolation concept, it will be no problem that the output ground (GND) and frame ground (FG) is the same point in your system. But, EMI may be affect by this connection.