why don“t you download some demos and try which one suits you best?
some folks do not need more than basic stuff with an audio editor, because they process the sound through a lot of hardware afterwards. and some folks just can not get anything good out of an killerapp like recycle.
and if you want help maybe you should say what you want to do with it, or if you want a programm that adds so much to your setup that it has a learning curve, too. some even may say protools is a kind of audio editor itself...
peace jo