[CentOS] CentOS 6 SFF motherboard or complete system

	I am trying to assemble or purchase a set of CentOS 6 compatible SFF workstations, and am finding it incredibly frustrating to do so. hardware.redhat.com is so slow as to be useless and provides almost no information about each of the 1,300 or so products listed in their database; clicking through them one at a time is incredibly frustrating (and about half of them are discontinued or out of stock when I actually go looking for them, like the Intel DQ series motherboards I was interested in).  Vendor web sites are almost no use; they trumpet their Windows 8 compatibility all over the site, but finding information about Linux compatibility is next to impossible.
	My requirements aren't overwhelming; an i7 processor, four memeory slots preferred, dual 24" (1920x1200) monitor capability, and dual ethernet (or an expansion slot for a second Ethernet card).
	Anyone have any advice on how to attack this these days? I've been out of the hardware-purchase game on the Linux side for years, and most of my bookmarks no longer point anywhere useful, sadly.

-G.
--
Glenn Eychaner (geychaner at lco.cl)
Telescope Systems Programmer, Las Campanas Observatory