I guess it would be the cheapest 'safe' psu I found. Was actually going to use a seasonic m12ii but I found a shop was selling Super Flowers in many of their discounted bundles so I had a look. Turned out to be pretty alright despite being a pretty unheard of brand and could save a little as well!
Yeah, I took note of that warning in your guide. I was initially a little worried though
Ahh I see what you mean about the memory slots. Noted, wiil get the 2x4gbs, and a cheap cooler as well.
Reading through it now