Latest Firefox 6 user agents:

User Agent Platform Device
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/5734-03-20 08:37:41.804031 Firefox/6.0 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3; rv:1.9.2.20) Gecko/9778-08-14 20:02:11.739807 Firefox/6.0 Mac 10 Unknown
Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/3794-03-31 05:28:18.797455 Firefox/6.0 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux i686; rv:1.9.6.20) Gecko/6286-09-04 20:14:34.635773 Firefox/6.0 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_12_2; rv:1.9.4.20) Gecko/5744-01-07 05:18:46.609070 Firefox/6.0 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_12_4; rv:1.9.2.20) Gecko/6053-04-14 21:56:17.115967 Firefox/6.0 Mac 10 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_8; rv:1.9.6.20) Gecko/6442-10-15 12:23:51.722076 Firefox/6.0 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_4; rv:1.9.2.20) Gecko/4291-04-25 01:04:37.471588 Firefox/6.0 Mac 10 Unknown
Mozilla/5.0 (Windows NT 5.1; rv:6.0) Gecko/20100101 Firefox/6.0 FirePHP/0.6 Windows XP Unknown
Mozilla/5.0 (Windows NT 5.0; WOW64; rv:6.0) Gecko/20100101 Firefox/6.0 Windows 2000 Unknown
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0a2) Gecko/20110612 Firefox/6.0a2 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.1; rv:6.0) Gecko/20110814 Firefox/6.0 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.1; rv:6.0) Gecko/20100101 Firefox/6.0 Windows 7 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/8526-04-27 03:15:35.292542 Firefox/6.0 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/3345-09-29 10:44:28.687439 Firefox/6.0 GNU/Linux Unknown
Mozilla/5.0 (Windows NT 5.01; bhb-IN; rv:1.9.2.20) Gecko/9590-03-01 18:17:58.368042 Firefox/6.0 Windows 2000 Unknown
Mozilla/5.0 (Windows 95; mhr-RU; rv:1.9.1.20) Gecko/8841-12-16 06:26:19.261719 Firefox/6.0 Windows 95 Unknown
Mozilla/5.0 (Windows 95; km-KH; rv:1.9.1.20) Gecko/2625-01-12 13:08:16.286274 Firefox/6.0 Windows 95 km-KH
Mozilla/5.0 (PPC; rv:6.0) Gecko/2016826 Firefox/6.0 Mac Unknown
Mozilla/5.0 (PPC; rv:6.0) Gecko/201068 Firefox/6.0 Mac Unknown