I havea updated the blog with some thoughts on .Net support and IKVM.
http://labs.jboss.com/portal/index.html?ctrl:id=page.default.blog&project=jbossrules&from=1&link=http://labs.jboss.com:8080/projects/jbossrules/blog/status_of_IKVM_and_Drools.html#http%3A%2F%2Flabs.jboss.com%3A8080%2Fprojects%2Fjbossrules%2Fblog%2Fstatus_of_IKVM_and_Drools.html Mark
