<A target="_blank" href="http://www.wissel.net/blog/d6plinks/SHWL-8585SX?Open&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Wisselnet+%28wissel.net%29">Stephan H Wissel says it's a bad idea to set view properties</A> to "hide from Notes client". There are other methods that don't have the performance impact. He offers some Lotuscript as one method.