If you want to build package and both use svn-buildpackage (to maintain your work under Subversion control) and use pbuilder (a chroot environment to test the package) you may want to take a look at my tips:
A while ago we had trouble using pbuilder/debootstrap. Read HowToUsePbuilder for a workaround.
You may also be interested in a collection of DebianLinks that point to a few useful services operated by the Debian project.
And I wrote an evil article about BecomingADebianDeveloper in case you consider spending some time in the New Maintainer's process.