Amiga Vampire FPGA CPU accelerator
Did you remember Amiga computer ? If yes then you need to get a Vampire accelerator board . It uses the Apollo core which is a code compatible Motorola M68K processor but is 3 to 4 time faster than the fastest 68060 at time. It is amazing FPGA board that you can put on your old amiga and will speed it 10x. Work is still in progress and here is how old new amiga can be.