As you may know, I am the maintainer of the popular Drupal SEO Checklist module. Many people for the last year or so have been asking when I'll update it for Drupal 7 SEO. My answer was - and still is - "when the modules that make SEO possible on Drupal 7 are relatively available and ready".
So, over the last couple of months, I've been keeping a spreadsheet of the candidate modules that might be listed in the 7 version of the SEO Checklist. You can view that spreadsheet here: