Update: I’ve decided to use Falko’s packages, see my posting here:
http://timony.com/mickzblog/2008/04/24/e17-on-debian/
If you want to run E17 on Debian you have 4 choices (as of April 2008):
Wait for E17 packages to make it into Debian’s experimental repository:
http://sicherheitsschwankung.de/post/jan/2008-03-31/going-debconf-08
The Debian E17 team are in the process of loading packages into Debian experimental branch and they should be available [...]