The CLDR survey tool is at http://unicode.org/cldr/apps/survey
The data submission is currently scheduled to run from now until March 9, 2011, after which the data will go into vetting mode in order to resolve any conflicts that may occur in the data.
If you plan to submit data for the 2.0 release of CLDR you will need a login ID and password associated with your e-mail address.
1. If you have used ST in a previous release of CLDR, your login ID and password are still active.
2. If you need to set up a new account, please see the instructions at http://cldr.unicode.org/index/survey-tool/accounts
A summary of the new features in 2.0 release of CLDR survey tool is at http://cldr.unicode.org/index/survey-tool/survey-tool-2-0-new-features