of course I would buy one, I already have one, but maybe I would buy another.
If a slim releases, (in what I expect to be years down the road), I will buy it, and by then I expect all of these features to be present in that model.
but as DmeisterJ said, your list is not that inconceivable, maybe we will hear more about it at GDC- even though Sony isn't having a keynote this year.