Hello, we just released version 5.31 of the Intel Software Development Emulator. It is available here:http://www.intel.com/software/sde
This is a major update. It includes support for OS X (Snow Leopard and Lion). It also includes support for the Restricted Transactional Memory (RTM) instructions. In addition ther are many new features, and bug fixes. The release notes are here.
It supports the Haswell New Instructions described in revision 14 of the AVX programmers manual:http://www.intel.com/software/avx