(Liaison for Desktops, Alienware, Monitors)#iwork4DellWould you like to be a Dell Community Rockstar?DriversOrder Status
I run a house full of Macs and PCs with two dell printers, one of them being a M5200N and I can confirm the T630 driver works fine in OS X.
The M5200N also works with Bonjour networking right out of the box. A+++ Dell!!