Add sorting (by *_facet fields only at first). When sorting, navigation should allow not only paging but also A-Z style jumping.
Create app/views/document/document_marc.rhtml
Show cover images for MARC
Implement named saved searches (as on-the-fly facets)
Add Atom feeds for saved searches
Copy SIMILE .js to Flare's public/javascripts directory
Add SIMILE Timeline to main search page with current page of results shown (if timeline data is available for the current SOLR_CONFIG)
Add in-browser stats/debugging info, configurable by RAILS_ENV so that development sees it but production does not (by default)
iTunes importer / document renderer to play songs.
... ???