Adobe Anywhere ...will SOMEDAY be the solution
Indeed. Someday soon... http://www.adobe.com/aboutadobe/pressroom/pressreleases/201304/040413A dobeAnywhere.html
" ...with final availability expected in May 2013."
For CS6, EDL export/import and offline media is the only way. If you can deliver the pertinent media to them via a server or external drive, then you'd be able to relink to it, but it can get tedious if the media is not all in one place.