Seems like building got a little more complicated (I don't seem to pick up your build options from your .sln file, and while before it was just a matter of turning on the unsafe option, it seems I need to do more than that now, like add some references, and I can't figure out which ones). I don't have enough time to do any serious investigation.
That might be because of zlib.dll reference. I moved that into the project directory, so the relative path should be correct now.
I'd love to play with ikvmc and netexp, though - any chance of including them in ikvmbin.zip?
Updated the binaries and source snaphots.