Version 0.2 will be the next one, and will hopefully (at the least) include:

• Localisation
• Hit logging
• Firefox 3 support
• Be hosted entirely on AMO
• Possible a few icons for a bit of uniqueness

Also,

A preferences window will be added (and also a link in the Tools menu). You'll be able to choose between a few options (off the top of my head):

• Keeping it how it is, and changing the links to go through Previewlink.org
• Change the links to go directly to the destination, skipping both the shortener and us
• Option to have the title attribute changed to the real link (example below)
• Possibly some other 'bigger' tooltip with a bit more information

Version 0.2 is out, available here.

Unfortunately it's not available at the main site since Mozilla has an odd policy, and to avoid confusion, I kept it at the addon site.

It adds the above features except the larger tooltip, and supports Firefox 3 Beta 5. I'll also look to localise it a bit later on unless someone wants to offer a translation, and a server-side cache should speed things up a bit.