I wonder if a full size (overlay over the webpage) tab grid/list overlay with a mappable keyboard/mouse shortcut is useful and faster. Seems like it would lead to less mouse movement for tab switching and faster than using the keyboard shortcut for t...
I agree. Userchrome is a very useful tool for customising the ui (not sure what other tricks can be pulled off with it) but it's like you said. A hurdle for most users and the chances of it breaking in a future update.
Was just about to say the same. Sidebar currently resizes the page which I find jarring. Overlay would take care of that. That and hovering over the sidebar for tabs plus a keyboard shortcut would be top notch.
