MSN seem to be going out its way to court webmasters disaffected by Google's clamp down on paid link, cloaking etc.
Jeremiah Andrick, product manager for MSN Live Webmaster Tools gave an interview to Web Pro News talking about this issues. Though he did not quite say those techqnicuqe are okay, but he said they are not necessarily taboos on MSN Live.
You can want the video
here