I am an old school SE geek.
Google does not index meta keywords or descriptions. The only time I've seen Google use them is when there is no other text anywhere on the page. then i've seen the description indexed, but it won't help you rank for anything.
if any of you guys have good search engine sites and would like to do some pr trading - hit me at
[email protected] - i've got a huge list of pr4-6 domains
also
www.webmasterworld.com is great for me in depth se info