My comments have been posted with the title "Price Controls Needed on Registry Services" at:
http://forum.icann.org/lists/biz-tld-agreement/
http://forum.icann.org/lists/info-tld-agreement/
http://forum.icann.org/lists/org-tld-agreement/
Tiered pricing should not be allowed on domain names.
A great deal of a domain's value is created by the owner's development of the domain's brand. The domain's owner should not be penalized for being successful by paying a higher price for renewal.