Beginning with version 1.0.0 the emulator supports Ida's new (Ida >= 6.0) Qt interface on Windows, Linux, and OS X.
Download it here: ida-x86emu-1.0.9.tgz
Plugin Binaries only (current build with latest SVN sources: 09 Sep 2015):
Choose your IDA version (NOTE: do not rename the plugin when you download it). The windows version are build uting Visual Studio 2010. As such they link against MSVCR100.dll. This library is not a native Windows DLL. Windows users must install the Visual C++ 2010 Redistributable Package for x86 available here: Visual StudioC++ 2010 Redistributable
The PGP public key used to sign these binaries may be found HERE.
Sourceforge Project Page
The Soureforge page for this project is here