Will a Hyper212plus cool a 8350 with decent temps?
Yes.
You should get the Hyper 212 EVO, its slightly better as the copper is joined.
Yeah, just fine
As a replacement for the stock it is very good. It will even handle some decent OC's. But if you wanna take it to 4.5+ buy a T812, or a havik 140.
surpised vortex hasn't raged in here yet