I agree with Daube, the default CFS2 Zero is great in FS9. I do think the one by Bob Chicolo (a6m2up2.zip, FlightSim.com) is just slightly better. He also did an A6M5 (a6m5up3.zip). It may have been an update of the CFS2 one. Not sure. That would explain why I like it as much as the default one!