Collections by DRiX
2 TABs Kit by DRiX
1 DRiX's Fav First-in Ffox Add-ons by DRiX
This and these are what I like - use here as a starting point for you...
Create a New Collection
Collections make it easy to keep track of favorite add-ons and share your perfectly customized browser with others.
Create a CollectionTo create your own collections, you must have a Mozilla Add-ons account.