If you are shopping for an Intel branded board; not an Intel based board but a board actually branded as Intel, then you are likely shopping for parts for a new server.  Skulltrail is an example of a board branded as Intel that did gain some attention from the enthusiast segment, but that was quite a while ago.  New to the market is the Intel DX58SO2 LGA 1366 X58 and it underwent some tough scrutiny at [H]ard|OCP.  There were issues and disappointments but in the end they concluded "The DX58S02 is a good motherboard, it is just not a good enthusiast motherboard by comparison."

Intel rolls their own X58 motherboard - Motherboards 2

"We don’t generally cover Intel branded motherboards because those products do not pop up that often on the enthusiast radar. Intel does have an "extreme" flagship X58 motherboard that may be worth your attention. We fire up Intel’s DX58SO2!"

Here are some more Motherboard articles from around the web: