Sun Policy on Public Discourse: Tim Bray, XML inventor and all around tech God, has published blogging advice for his colleague’s at Sun. I wouldn’t call this a policy, it’s just some good advice.
In general, “sucks” is not only risky but unsubtle. Saying “Netbeans needs to have an easier learning curve for the first-time user” is fine; saying “Visual Development Environments for Java sucks” is just amateurish.
Once again, it’s all about judgment: using your weblog to trash or embarrass the company, our customers, or your co-workers, is not only dangerous but stupid.