yah.. a few, not too many, that you can consume in bite sized portions.
Permalink Redirect – This plugin ensures that pages and entries are
always accessed via the permalink. Otherwise, a 301 redirect will
be issued. By Scott Yang.
Optimal Title – Mirrors the function of wp_title() exactly, but
moves the position of the ‘separator’ to after the title rather
than before. By Aaron Schaefer.
Google XML Sitemap – For using when you submit your blog to Google for crawling.
WP-Sitemap for us humans