the far bit of Bielany
On this I can agree...although I would not include Przy Agorze...The tenement blocks and spaces between them have a bad reputation.
That said and done, I like to live in Stare Bielany. It is very green, safe (I have never experienced anything bad here, the worst was that somebody stole 3 wheel covers from our VW Touran. Still don't know why he left the fourth one?), I have the shops nearby which I need. And we meet with friends in the weekend, we have 350 mtrs to the metro.
But I think it is a family neighborhood, not something for the OP.
I have never ventured beyond Huta Młocina...I heard Młociny is a nice place to live.
In inner Warsaw the whole city is mixed housing state/private
That is correct. If I see the annual breakdown of the exploitation costs of our "kamiennica". It is like 60% private / 40% gmina.
But that doesn't tell anything about the people living there. We are lucky that we have a quiet housing estate. The 40% gmina are mostly pensioners.