Yes, my PowerBook G4 laptop is still running beautifully, burning excellent HD Blu Rays on my LaCie burner. And I have accepted no chapter markers transferring from FCP projects and only 6 background images that work fully for 16X9.
So am toying with finally upgrading to a new MacBook Pro with SSD drive for logging and transferring HD files in the field, and leaving the PPC Mac at home to rest up for the burns.
Have there been any major improvements to Toast 11 since my PPC 10.2 version, like being able to choose many more 16X9 HD button backgrounds, transferring FCP chapter markers to the Blu Rays, more format conversion options to Blu Ray beyond h.264? etc. Or are you folks still dealing with the same ole same ole?