buckvelvet
5 year old buck +
I'd never heard of this place and just randomly ran across it. Seems like it'd be decent rootstock (although expensive for that) or would be a good more affordable option for someone looking to get some hardier plants growing.
http://www.n40wildapples.com/index.php?page=2
http://www.n40wildapples.com/index.php?page=2