On YouTube you can see a video with an Amiga A4000 running on 90 MHz. This machine is from André Pfeiffer and his the test results with the A4000/060 are: 119,25 Mips and 47,7 Mflops. The specification of the machine are: A4000, 2 MB Chip / 16 MB Fast, Apollo 4060 - 128 MB, Radeon 9250 - 256 MB and a ZoRam 256 MB.