We're attempting to use WordPress as a CMS for a website of ours which has 2000+ static pages outside the blog and news areas. We've ported these all in as Pages and found the performance of many areas of the site (editing pages, permalink control panel, and simply viewing a page) has decreased SIGNIFICANTLY (upwards of 20-30 seconds to load a page). Are there plugins we should be using or patches for handling higher volume Pages? We've actually rewritten a few of the function calls we found to be extremely inefficient, but there is still more work to be done.
Any information would be appreciated.