- Average PSU brands (Not deadly but I would avoid them)
- NZXT
- Enermax
- Cougar
- Bitfenix
Good PSU brands (These psu brands have decent-great PSUs, but also have a few outliers)
- EVGA--------->You can even list this under the "Arguably the best brands" category.
- Corsair
- Antec
- Cooler master
- Be quiet!
- Fractal Design
- SilverStone
- FSP.
Arguably the best brands, but that's a slight exaggeration..
This, is a bit too simplified. You really can't blanket statement any of those brands.
All of them, INCLUDING Seasonic and Super Flower, have models that are, somewhat lacking, in some way or another, making them more like mediocre than "best". Nobody really makes ONLY good/great models.
Even Flextronics, that used to (Or still does, not sure, Jon could answer that better than I) make the AXi 1200w model for Corsair, has some products for the enterprise sector (Server power supplies) that are probably not as good as some others out there, and then some platforms that are probably without equal.
Seasonic's newer S12III, outsourced. Outdated group regulated topology. I wouldn't recommend them.
Super Flower has had some fairly crappy platforms to go along with some very good ones too.
NZXT, Enermax, Cougar and Bit Fenix all have models that I would not hesitate to put into any system, but also a lot of models that I would pass on, quickly. So your "list" while well intentioned, lacks model specifics and makes it an almost dangerously generalized assumption of good vs bad.