LaTeX Highlighting in Emacs

I choose emacs as my major LaTeX editor for two simple reasons. One is the highlighting (especially when you input the title for a section), another is the simple line wrap (M-q).

But suddenly, after I got my MacBook Pro and set up Ubuntu on it, Emacs do not have highlighting for LaTeX any more...

God!! Kile, winefish are all good ones, but without line wrap!!! And much less keyboard short cuts!! I want my Emacs back!

I surf and surf, and found that emacs can be customized by simply editing the ~/.emacs file! I did it even easier -- download someone else's...

http://cermics.enpc.fr/~lelong/Emacs/index.html