You have to remember Maya is production software. It is designed, priced, and marketed to studios. Not to individual people.

I suppose it is possible to create plugins to do that stuff. I wouldn't know how, though.

Particles, as far as I know, are in Complete to their full extent, so whatever particle effect you needed, Complete should be fine for.

I wouldn't know how to do fur aside from PaintFX, though. Except maybe lots of small cylinders or something.