EpoX EP-8KTA3Pro.
4 DIMM, 6PCI, ISA, l33t mobo!
I might like it even more than my K7T Turbo-R L.E. although i haven't had a hint of problem with my MSI so it rocks too.
Depends on if you want DDR or what.. there really is no "best socket a board" - these are just some of my favs.