I have been looking for an AMD Motherboard, to act as a router. The opensource radeon drivers are shaping up nicely, and it looks like it does not use much power when idling. Also, it supports x86_64. Perhaps setup nfs/samba as a file share, and asterisk, then retire my openwrt linksys wrt54g router [poor thing, asterisk uses up 67% of it's ram]. Seems perfect, and should work with LFS.
Unfortunately, I have not seen any motherboard with two network ports yet, and I didn't want to waste the PCI/PCIe slot with a network card unless I had no choice.