If you mean the pen/pencil toolbar mockup, then yes, I think it's good at least until someone proposes )or implements) something still better :) Let's put it prominently onto the wiki, so that those who like you are interested in this won't have to start from scratch.
I've already put in onto Blueprint and wiki:
https://blueprints.launchpad.net/inkscape/+spec/vector-brush http://wiki.inkscape.org/wiki/index.php/Vector-brushes
I don't know if I have to edit wiki permissions somewhere... if I do can you point me to where?
I've titled it vector brushes for now, but now that I think about it, it's a complete Freehand (and bezier?) toolbar redesign...
As for the text toolbar, I've got a few ideas, but the kern commands would have to be grouped in a drop-down. However, as compensation: - the super-script and sub-script options are added to the toolbar - upon mouseover of the kern value changes, it also lists the shortcuts to do the kerning manually
Line spacing and letter spacing may either be grouped or separate, I'll have to see.
Say, I'd also like to know something as well: is it or is it not possible to have separate horizontal and vertical offset values? If not, this is actually not a problem, since many people will be "aligning to center/middle" so the vertical edges would not be reached. Basically that'd save me the space of a number field. :P