It would be nice to be presented with a wiki link whenever a discovery rule or general item is rated as unsupported.

Example:
Create a host, configure it for vmware vsphere monitoring via sdk
you get an error saying "cannot complete login due to an incorrect user name or password"

That text should link to a KB for that error on the wiki, where ppl. can read more details about the issue and, if appropiate, contribute to the article about possible solutions.