I'd go with the Abit IS7. It's the full version board, costing only $10 more than the economy version (IS7-E and E2), and still under $100. It's good for bus speeds up to 250MHz (1GHz FSB).
<font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
<font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>