Apparently the Abit Springdale mobos (IS7 and IS7-G) are available at newegg. They look to be about $30 - $40 cheaper than the corresponding Canterwood boards.
http://www.newegg.com/app/ViewProdu...280&manufactory=1283&DEPA=1&sortby=14&order=1
http://www.newegg.com/app/ViewProdu...280&manufactory=1283&DEPA=1&sortby=14&order=1