Is there cutting-edge Ubuntu package development environment as "constant" as Debian Sid? By "constant" I mean you just set your apt source once and will always remains on the leading edge.
I also read that it is recommended to build Ubuntu packages under the current development release, and the TestDrive is the tool for that. However, If I keep my system updated using apt-get, do I still need TestDrive? Also true is the recommendation to build packages in
Third, if all I'm building is my own tool and release into my own ppa, do I have to stay on the "bleeding-edge"? I'd assume it is OK not to, but it is also against the highly recommended suggestion.