You can add http://perlmonks.org/* to your "Included pages" when you "Manage User Scripts..." in GreaseMonkey.
Subjective. I feel they are more user friendly as they are single-click.
You do save refreshes especially in the long run. You no longer need to refresh the page (by pressing the "vote" button) before moving to another node.
I must admit I was not expecting to please everyone ;-)
Snippets of code should be wrapped in
<code> tags not<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor