There is an error in the taxonomy/view relationship in which the first taxonomy item on a view is for some reason absent.
The bug is in the taxonomy module in the views_taxonomy.inc file. The correct views_taxonomy.inc file is attached.
It needs to be placed in the /modules/views/modules folder.
http://drupal.org/node/199675 is where the changes to the patch are listed...
http://www.varesano.net/blog/fabio/drupal+how+clear+filter+cache is where you learn how to clear the filter cache...