After making the switch to Firefox 1.5, here are the add-ons I currently have installed. (list generated by this extension, great for keeping a back-up record)
Please comment if you have any suggestions..

Enabled Extensions: (28)
All-in-One Gestures 0.17.4
Alt-Text for Links 0.3
BBCodeXtra 0.2.5.4
BugMeNot 0.8
Colorful Tabs 0.3
ColorZilla 0.8.3.1
CustomizeGoogle 0.39
CuteMenus 2 0.6.2
DictionarySearch 1.5
Disable Targets For Downloads 1.0
Download Embedded 0.1
Download Statusbar 0.9.4
Fasterfox 0.7.9
Forecastfox 0.8.2.5
IE View 1.2.7
Image Zoom 0.2.1
ListZilla 0.7
Methusalem 0.3
Noia 2.0 (eXtreme) 2.991
PDF Download 0.5.1.2
Popup ALT Attribute 1.3.2005092701
Screen grab! 0.6
Tab Preview 0.3
Tabbrowser Preferences 1.2.8.7
Translate 0.6.0.8
Viamatic foXpose 0.2
Web Developer 0.9.4
zoomFox 0.72

WOW
I've only just got round to fixing mine up after installing 1.5.
I've only got 7 or 8 installed.
One thing I noticed you are missing is adblock. Probably my most used and favourite extension.
I had
Guess I was too impatient with it. I'll give it another shot.