The Mini vMac emulator version 3.5.8, although not officially announced, is available for download from the Gryphel project website.
Mini vMac emulates a Mac Plus on multiple platforms and can run up to Mac OS 7.5.5. The Gryphel project, run by Paul Pratt, also now has a variations service which will compile the latest version of Mini vMac for your machine.
For more information about the Gryphel Project, check out their website at:
http://www.gryphel.com
To download the latest version of vMac 3.5.8, go to:
http://www.gryphel.com/c/minivmac/dnld_std.html