According to a recent article on ArsTechnica, the rumor mill is once again cranking up with Mac OS X and Windows theories on the possibility of being able to run Windows applications sans-Windows on the Intel Mac.

Discussions and theories began, according to Ars, with a mailing list message called Interesting Behavior of OS X on a WINE group mailer. 

... Steven Edwards describes the discovery that Leopard apparently contains an undocumented loader for Portable Executables, a type of file used in 32-bit and 64-bit versions of Windows. More poking around revealed that Leopard's own loader tries to find Windows DLL files when attempting to load a Windows binary.

Yes, that last bit is the juicy one. According to the fledgling investigation in this as-yet short message thread, folks are suspecting that Leopard contains at least the building blocks for Apple to one day add a compatibility layer to Mac OS X for running Windows apps right alongside Mac OS X apps. "Just add Windows" and Boot Camp itself could fall off the list of ingredients for bridging these two computing worlds.

Read more from ArsTechnica in the original article, here.