> [...] it also has mouse gestures that are core in the browser [...]
> It has one-button keyboard shortcuts [...]
> I can configure activation, deactivation of js, plugins (flash, etc.) [...] I can tell plugins like flash to load on demand [...]
> I can have a vertical tab bar and a horizontal one at the same time.
All of this is still here.
> [...] I have 100+ tabs open and the thing sits at 2 GB [...]
I'm not used to leave opened such a large number of tabs, but even today's Opera seems to handle them quite good (I may be wrong, but I think that Chromium smartly remove some tabs from memory and reload them later, on demand and with cache).
> A very powerful url blocker [...]
If you really need this, I think that /etc/hosts is the way.
> I can actually manually edit menu and toolbar ini files [...]
> I can add custom panels in the side panel [...]
> I can open a list of all links on the current page, filter it by various conditions, select the ones i want and hit "download these to a folder" in one action.
Perhaps extensions (which I do not use) are designed to simplify and customize the process...
> I can edit text-based style [...] to completely restyle the browser effortlessly.
Not really a feature, but a "nice to have". As for myself, I'm ok with the OS-native look.
> Getting to the screen where i can view and edit cookies [...]
> I can disable all CSS for the active page with one click.
I think that you can achieve the same result from the Inspector with a couple of more clicks (that's not a behavior that most users need).
:)