AddThis Plugin will automatically insert the AddThis widget below each post in your blog.
WordPress Plugin Template includes all the framework necessary for a displayable plugin (Something which will show up in a sidebar, template, or anywhere in a post using a token such as )
SETI Stats shows the current credit, average credit and team stats for a given SETI@Home account.
The StripTease plugin is a simple filter that strips fragment identifiers from WordPress’s default teaser links so that they link to full posts.
Post Notification sends an email to every registered user whenever a new post is made on the blog.
On the side, one thing to remember when doing a WordPress-to-WordPress Import is to Delete Spam Comments First.