Rated 5 out of 5 stars
My former Stylish review was for 1.0.6 though really for 0.5.9, which I still thought was better than 1.0.6. Well, the latest versions of Stylish are IMO the best ones yet (yep, better even than 0.5.9)... and still light on the resources.
And, guys, the editor window for Stylish on Fx4--opened from the Add-ons tab [panel]--*is* re-sizable... presuming you actually use the link for the editor (right-click, select 'Edit' from the context menu) and not the Fx-provided button for 'Options' (which is not a link for the editor [yet]). Also, the editor window is no more "modal" in this release of Stylish than it's ever been (of course, you have to actually use a link for the editor instead of that so-called 'Options' button [all of which are typically "modal" for Firefox--but neither Stylish nor the styles you install have "options", just about:config settings and code]; so, don't use that 'Options' button [unless you also install It's All Text! and then the 'Open in external editor' button in the editor window :D]).
Couldn't navigate the web without it Rated 5 out of 5 stars
I couldn't imagine using Gmail or quite a few other sites without Stylish and its associated styles. It's essential, and it will remain essential as long as website developers keep putting up sites that don't quite meet the needs of their users--so... forever. There *may* be a small performance hit in using it, but the big productivity boost more than makes up for it.
And for the guy who wants a better editor, install It's All Text!, which hooks into the Stylish editor window (and any other textarea--like this one) to make sending code to your favorite external editor and back to the site/window textarea a breeze.
(By the way, this review applies ONLY to version 0.5.x and NOT to version 1.x. That being said, however, version 1.0.6 is better than previous 1.x versions, and I expect the trend will continue. At some point 1.x will be a stable, mature add-on, just as 0.5.9 is--which, by the way, works fine on Fx 3.5. It's not there quite yet, but now that I can make my 1.x sidebar and editor window look almost exactly like they do in 0.5.9, it's at least "liveable"... even with the fairly ugly and un-stylish icon.)