Comment 1 for bug 879639

This appears to be as far as Intel goes:
http://www.intel.com/support/graphics/sb/CS-010512.htm
They say:
    "Intel does provide development drivers for Intel graphics to the open source community. These development drivers are intended to provide the Linux developer community with an opportunity to provide feedback for the driver. Driver source code can be obtained from public source code repositories found in the download section of the Linux and Intel graphics web site http://intellinuxgraphics.org/ which is a third party site not managed by Intel® customer support.
Development driver support is only available through the open source community.
Operating System: Linux*
This applies to: 2nd Generation Intel® Core™ Processors with Intel® HD Graphics 3000/2000, ..."