I am waiting to upgrade from old Cool Pro and I will rather not upgrade untill someone will implement this feature to AA. I don't know whether Adobe bought original company Syntrillium Software together with developing people but I agree with many people that since Adobe took over the software it is not progressing as it used to. It is strange bearing in mind that Adobe has unlimited budget possibilities for development.
I am mixing songs (rather than composing) so high quality master tempo (changing tempo without pitch based on BPM measures) would be ideal and very helpfull. I came accross simple but nice software that changes master tempo on a fly using just lines like 'volume and pan envelopes' in AA session. And honestly Adobe Audition will be ideal after implementing this feature from my egoistic point of view. (the only way around is using Stretch effect but it's not the best quality and not very handy - I need to calculate BPM to % or length every time I want something faster or slower).
Maybe someone can recommend good plugins or something.