If you want to obtain the latest working version of Regionerate, get the latest release.
rgn-v0.7.3.0.msi (supports Visual Studio 2010)
If you are looking for a specific fix for a problem found in the latest release, or a new feature that hasn’t been released yet, you can get the latest nightly build. Notice that although this package contains all new features and bug fixes currently found in the project trunk, it may include new exciting bugs.
Older Nightly Builds
If you are looking for a specific nightly build and you know its revision number, you can get it from http://teamcity.codebetter.com/repository/download/bt26/[BUILD NUMBER]/latest/Regionerate+Nightly+Build.msi. For example, if you are looking for the v0.7 build that was created from revision 380, go to http://teamcity.codebetter.com/repository/download/bt26/0.7.0.380/latest/Regionerate+Nightly+Build.msi.