A couple of years ago, I set up privoxy to rotate my user agent string periodically, usually once an hour (once I even changed it once per request). As fun as

A couple of years ago, I set up privoxy to rotate my user agent string periodically, usually once an hour (once I even changed it once per request). As fun as this was, even when running adblock and noscript and flashblock, it was obviously not very effective. This kind of fingerprinting does not bode well for TOR users. What is required is an intermediate proxy that modifies the out-bound browser traffic to delete or randomly modify these highly-unique sets of info (font sets, plugin sets, etc.) presented by the browser. I'm still amazed at how much info flash, java, and javascript can glean about a system. I'm curious... is it possible to get the username or file/directory names readable by that user from the browser?