37Signals described how they tackled this problem in Basecamp Next (see the "Thou shall share a cache between people" section) http://37signals.com/svn/posts/3

37Signals described how they tackled this problem in Basecamp Next (see the "Thou shall share a cache between people" section) http://37signals.com/svn/posts/3112-how-basecamp-next-got-to-be-so-damn-fast-without-using-much-client-side-ui http://37signals.com/svn/posts/3112-how-basecamp-next-got-to... Their solution is similar to #4. To your concern about disabled javascript, you can still do what they describe but add CSS classes to all elements that would need to be hidden for non-admin/logged in users and just use display:none; Finally, I would given some serious thought to who the audience is for the application. For most applications the % of users for whom javascript is disabled is so tiny for the amount of work it would require that it is not worth the effort.