Well there was a petition to "bring" MacOS X to the intel platform but it never culminated to anything. Also there are some people who want to "port" OS X to intel, but these poor saps dont understand the concept of macos x AND its history.
Concept:
MacOS X = Darwin (free) + Quartz (not free) + QT Media Layer (partially free) + a few other things. People want the nice looking UI but not much more, thats what confuses them.
History:
OS X evolves from NeXTSTEP. NeXTSTEP was m68k and Intel. Just like BeOS, the m68k (native NeXT hardware) died off and the intel was what was left. Then apple took it and reworked it for BOTH mac and intel (Rhapsody anyone?) and let developers make apps FOR BOTH. However developers prefered the PPC platform and so in the end the PPC platform ended up with TWICE the amount of software than the PPC one. Making an intel version of OS X without actually having macs running on intel hardware is suicide and apple should not and will not do it. Developers spoke up with their actions and so apple made its decision about which version to pursue.
Admiral