I’ve finally figured out how to build an intel version of the Squeak VM for Unix. Thanks to some generous help fromJohn M McIntosh I’ve managed to get the Unix VM running faster than usual. I stick to the Unix VM to avoid any compatibility surprises as I develop on my Mac, but deploy to a Linux box in a hosting facility. The Unix VM has some advantages for interfacing with command line tools as well. If you’d like a copy, go ahead and grab it.
On the other hand, if all you are doing is playing on the Mac, then the Carbon based VM that John maintains is about 20% faster. It is also a universal binary. The Unix build I provide is Intel only.