Filed under: SoftwareJust 48 hours after Safari 5's release, the first extensions are appearing; safariextensions.tumblr.com is keeping track and listing new ones as they become available. As of this writing, there are 13 that are either available for download or listed as in progress.
That's not a huge number to choose from, but a couple that caught our attention are Instafari, which replaces the Instapaper bookmarklet with a toolbar button, and
