Summary
I recently set up a media center running Windows 7 x64 on an ASUS P8H67-I Deluxe mini-ATX board. After installing the latest (and 2-3 previous releases) Intel reference video driver, I found that I either got a BSOD or non-functional HDMI graphics output to my TV.
Workaround
Intel only keeps the last 2-3 releases of their driver on their site, and I found all of them non-functional when the system was hooked up to my TV. I found people complaining online, and comments that revision 2279 fixes the problem... but Intel didn't have 2279 still active on their download servers.
Lenovo's driver for the M91p system (with a similar graphics platform) worked great for me.
x64 64-bit Intel graphics driver - Intel Sandy Bridge - 8.15.10.2279 (March 21 2011) 45.03 MB
http://download.lenovo.com/ibmdl/pub/pc/pccbbs/thinkcentre_drivers/b2vdo21us14.exe
x86 32-bit Intel graphics driver - Intel Sandy Bridge - 8.15.10.2279 (March 21 2011) 36.66 MB
http://download.lenovo.com/ibmdl/pub/pc/pccbbs/thinkcentre_drivers/b2vdo21us13.exe