Screenshots of Flock
I've posted some screenshots of Flock 0.4.9 in the gallery if anyone is interested. It is said to be based upon Mozilla and it's quite evident by looking. Althought I have noticed a few additional features and a really cool theme (icons, progress bar, etc), it basically looks like firefox.
There's that cool "star" feature which appears to be a one click bookmarking tool. It has a choice of search engins in the toolbar, chosen from a dropdown list. It has a rssview, that shows what a rss supported site looks like perhaps as a rss feed. I noticed flickr and del.ico.us extentions in the configuration. Some other early extentions include enhanced google search and adblock (although instead of installing it, it downloaded and rendered the code in a broswer window). One of the nicest features is the "Create a blog post" option. From there one enters their url and the post, and Flock will upload it. However it won't work on Tuxmachines because I disabled that option for security reasons. The fonts look good as well.
I've not been using it too long, but it seems stable so far. I uploaded those screenshots with it and I am now posting with it as well. These are usually pretty good tests for a browser. So, although to me it looks like a mozilla/firefox clone, I've read there's quite a bit of original work under the hood. All in all, it seems fairly neato at this point.
Screenshots in the gallery.