I picked up the "Gmail This" bookmarklet a while ago and use it alot (also see Lifehacker). But I noticed two things recently when I upgraded to Firefox 2.0.- The popup window does not focus in the front when activating the bookmarklet.
- I realized I don't like popup windows in the first place! I noticed the new "Email This" Firefox add-on opens a new tab. I wish I had a simple bookmarklet that opened a tab (without installing an extension).
Here it is. Drag this bookmarklet -->Gmail This, to your bookmarks toolbar.
p.s. This was all tested on Firefox. I have no idea if it will work in IE, but it might with IE7.

