Browser statistics, Resolution statistics, OS statistics

Have you ever been working with a client, and they tell you the web site you are building looks funky in their IE5 800×600 browser? You immediately tell them that NO one is still using IE5 or 800×600, but they look at you with that unconvinced, skeptical or just confused daze.

Maybe I am just slow but I never realized until today that W3C schools, the source of all things true and good about XHTML and CSS, publishes monthly statistics for Browser, Resolution and OS statistics. This is great info and valuable ammunition for that pesky, slow-to-upgrade client:

Browser Statistics
Resolution Statistics
OS Statistics