Oleg Tkachenko over at Signs in the Sand had a recent blog post about the OutputSettings property of XslCompiledTransform. He posted this example usage......

As you may already be aware, there is an article on msdn about the great performance improvements we made in the V2 xml stack. This is a pretty big event for the team, since increasing performance was one of the big goals of this release. While I posted this to give a shout-out to the team for the great perf work in they did for Whidbey, I want to take a minute to point out another interesting part of the article......