Greasemonkey script updates [Persistent.info]
Gmail users will benefit from the following Gmail Greasemonkey userscripts which add additional functionality to the default offered by Google.

Gmail Macros – Adds additional keyboard shortcuts. Quickly move between labels, label new messages, move to trash, and purge without ever touching your mouse.
Gmail Label – Color code your labels to aid in distinguishing important messages.
More detailed information is available on the [persistent.info] page. Scripts require both Firefox 1.5 and Greasemonkey 0.6.4.

why isnt your header showing up?