Q5: Is the "4-arch" (64bit) Hugin really completely "4-arch" (64bit)? No, it's not. As mentioned before the 64bit is actually a "4 architecture" ppc/i386/ppc64/X86_64 Universal build. Note also that Hugin and HuginStitchProject are "only" Gui's around the tools that do the "real pano work". Hugin, HuginStitchProject, wxMac (a.k.a. wxWidgets a.k.a.