Header Information....

I have the enhanced rule set loaded and let GRC do a scan. Is the header information revealing anything else other than what browser I'm using?
Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: en-us,en;q=0.5
Connection: keep-alive
Host: www.grc.com
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.5) Gecko/20041107 Firefox/1.0
Content-Length: 31
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Secure: https://www.grc.com
Nonsecure: http://www.grc.com
MediaPort: 8091
Thanks,
ruby