If you have a site - I'll exchange links with any page on a site over a PR4 on either a PR5 or PR6 page, providing they don't have many links on the page that they are linking from - Note, if you have a music related site, I will trade with a PR3+ and place your link on a PR6 page.
Contact Stephen Bradley for further info
http://www.link-site.net/sites.htm <- PR6
http://www.link-site.net/projects.htm <- PR5
http://www.link-site.net/forums.htm <- PR6
http://www.link-site.net/directories.htm <- PR6
You MUST email firstname.lastname@example.org if you are interested, as I am far too busy and don't have much time to check back on these posts.