I am a real fan of the metal motor mounts. The reason is that they are easy to use and its great that you can work out your GC by shifting the engine fore & aft. So far the only problem I have encountered with the mounts is that the screws worked loose, everytime it happens due to my faulire to add Locktite. Other than that it has never come loose on me when I run a 46 2C on them.

I have had 2-3 crashes on the cheap ARFs (all were NOT my fault of course hehehehe ... ) and the metal mounts snapped. I am pretty happy that the mount snaps rather than the firewall breaking up! I am all for metal motor mounts for sure.