Firefox 4.0
Bigger changes come with version 4.0. There each browser tab will get its own process. "In Firefox 4 we'll have a more fully multiprocess architecture for stability and increasingly to take advantage of multiple cores," Lilly said.
Another big change will be with add-ons. One of Firefox's biggest assets is the rich array of these customization options--but a corresponding frustration is how those add-ons often break with each update to the browser.

Firefox 4 will introduce a new add-on framework under development today called Jetpack that, like Chrome's, uses Web-based technologies for add-on construction. Today's Firefox uses a foundation called XUL.
Among the other perks besides compatibility, as Mozilla sees it, Jetpack extensions are easier to write and share, and they can be updated as the browser runs without a restart. Still, it will mean a big discontinuity for programmers.
"We want for developers to want to get onto Jetpack and the Jetpack application programming interface," Shaver said, and the current plan is to drop the older add-on technology with Firefox 4.
Finally, there will be more changes to the browser's appearance. Some have called it a Chrome copy--features include a merged location bar and search bar, removing the status bar across the bottom, and adding an option to put the tabs at the very top of the browser, all features introduced with Chrome. Lilly, though, bridles at the Chrome-copy idea.
"We're trying to get as much window space as possible for content," he said. "I don't think it's a move toward Chrome. We're trying to give space to the content."

Source:http://news.cnet.com/8301-30685_3-10...s-BusinessTech

Chrome give a shot!!!!!, change the idea of browser concept

And when FF 4.0 will be out... many from chrome will move to it from chrome because of one of the big plus: content filtering which Chrome will not have in the near of distant future.

Funny thing is, many Firefox's users that tried some of those features already in Chrome (like the integrated search/location bar), and didn't like it, probably are going to love it when in Firefox. All of that because of something like brand/trend.

Not generalizing for sure, but most people kind of test new things, just to have the pleasure to say "bleh, terrible, i did try". They preffer things the way were always done, and don't handle well changes. When it becomes "trendy" (i hope this expression has the meaning i think it has), then everyone suddenly falls in love for it.

And that's a global thing, which is too bad.

well new things are always hard to learn, and it's an indidual thing.. I never came to love the smartbar in FF, thought I think it has improved. Chromes is simple to use, but then again, some might miss some feautures (I personly think it's to hard to use other search engines than google's from the adressbar).

But nice to see Firefox (as always) take up the ball and go into the competion, borrowing the best from competitors. Only good, forces others like Chrome to speed up their own develpoment. I am however worried for Firefox, whether they really will be able to get all of the above things ready for 4.0 ..

There sure is alot of work to be done, and when I see how much time Google is taking to just implement basics, then it seems as a massive, but needed, job to do.

And as FF develops, probably will have the 4.0 version in a year or so, untill then alphas, betas all with broken extensions and so. They should take from chrome firstly the main thing: start in one second !