Cheetah 1.0.0 is soon to be released. Based on Dolphin 7.4.2 the first version will not be any different than dolphin. However all references to Boonex have been changed. All defines starting with BX_DOL have been changed as well as css prefixes such as bx- as well as many other prefix and file name and class name changes.
Unfortunately this also means that no modules or templates written for Dolphin will work with Cheetah.
I am working on a conversion script that will convert modules and templates written for Dolphin 7.4.2 to work with Cheetah 1.0.0