You can have bloom easily since one and a half year, throught sylex3. It´s very easy to implement the build in things. And with a 'litte' dx programming, you can have all you want, just look at sphere.

Ok, from my point of view everything can be implemented, I know, but that would need time, and most of us have a litte time for there hobby.

Ed: I just reread your post, orange. Yes, you are right, a ready-to-go solution wouldn't hurt, even more when this solution is aviable through open source.