PAX 2010: Mortal Kombat Mock Arcade Cabinets Rocking

DS writes, "In this picture you see mock arcade cabinet units which are being played at PAX. The new Mortal Kombat, known as Mortal Kombat 9 by some, is being played in these retro-looking placements which suggest that MK has not forgotten its roots and perhaps an appearance in the arcade sector is warranted..."