Rated 2 out of 5 stars
I just uninstalled the latest version (1.9) because the changing the options did not work properly (apparently others have experienced the same thing).
In place of this addon, I'm now using the even-lighter weight bookmarklets for the services I frequent...to be honest, I don't miss sharaholic much at all.
If you have the patience to create a dedicated folder in your toolbar & gather the necessary bookmarlets, you may be to speed up your browser & clean up your browser addons. While sharaholic automates much of this process, I just couldn't deal with the buggy/crowded/messy interface...so two stars, as it could be worse, but it's also is no firebug.