It was my understanding (could be wrong) that the FPGA on the FPGA Arcade wasn't as big as the one on the Natami.
I didn't think there would be enough gates to fit what Natami was trying to do???
desiv
I'm not sure about that either. I believe Natami uses the Altera FPGA and FPGAarcade uses Xlinx Spartan 3. Not that that makes a whole lot of difference, just makes it harder for amateurs like me to relate the sizes of these things. ;-) Minimig itself has been ported to a couple of Altera boards, might be possible to go the other way.
Probably over in that 100 plus page thread, someone asked how much of the FPGA is used by the minimig AGA core.