I’ve compiled the reported stats from our screen resolution vs. viewable area post. Here are the details:
On average, users lost 11% of their screen width and 23% of their screen height to browser controls. So if you’re designing for 1024 x 768, actually design for about 900 pixels wide.
I'm curious to the relationship between screen resolution and actual viewable browser area (see this post). I need your help. I wrote a quick page that will print out the two for you (it should work, anyway -- I wrote it in 30 seconds and tested it for about that…
Screen: 1280 x 960
Viewing Area: 1280 x 773