MADDE stops being simple the moment, you need non-qt libs.
then it gets worse than even scratchbox, which is pretty bad already.

with whichever combination -- it never will be true.
there are phones made much easier to develop for by tzheir vendors -- nokia doesn't care for development by third parties.

stumbled recently over esbox, both an ide and eclipse plugin with toolchain included and prepared.
looks pretty promising, but i didn't test yet.