You'd never install a non-apt system? You should try a pacman based system, I find it to be nicer, because it embodies the Arch philosophy of keeping things simple.
It currently has package signing, right? What's the problem? I'm confused at how a historical problem that has been fixed even matters when discussing why or why not to use it. It's like saying you wouldn't use OS X because 10.1 didn't support Intel processors.