Quartz 2D has really helped me to show off Cocoa's
goodness to the original developers (it's *much* easier and a *lot*
prettier).
[...]
Is
there some obvious path I'm missing?
Ermm, you are sure you understood what the PICT format is? Basically
recorded Quickdraw commands.
Converting PDF (aka "Display PDF" or recorded Quartz 2D commands)
without rasterizing to Quickdraw commands is non-trivial.