All my favourite Firefox extensions are now working with 1.0PR:
AdBlock - block advertising images (including Flash) by pattern matching
Tabbrowser Extensions - reopen closed tabs, open tabs in the background from other applications, much more
FoxyTunes - control WinAMP from the browser status bar
Feed Your Reader - feed autodiscovery and subscription
Web Developer - all kinds of developer tools in a toolbar
LiveHTTPHeaders - view HTTP headers as they're transmitted
QuickNote - take notes in the sidebar
FlashGot - download files with FlashGet
Copy Plain Text - copy text without formatting
TextZoom - set a persistent text zoom level