great list, sylvain.
and all things i'd be willing to pay good money for.
here's how i'd rank-order it.

-bowerbird

>- Web image formats (PNG, Gif 89a)
>- RTF import/export
>- Support for Claris XTEND
>- Strong HTML import/export
>- Fast and flexible search engine
>- Fast compression/decompression of files
>- Stuffit compress/expand
>- QuickTime 3 routines
>- Better web integration
>- Fast and flexible search engine
>- Encryption
>- Palette management
>- Double buffering sprite engine
>- Pop-up engine
>- Serial port engine
>- Complete Gestalt engine
>- Support for XCMD/XFCN (as RealBasic)
>- Screen Gamma correction routine
>- Palette management
>- Control over CD-Audio