rwhemme :
I'm in the process of building a new setup with an i3 4130. I know typically stock fans are junk, but all the decent fans I look at stand out (like the ones you have recommended) instead of laying flat like 'traditional' fans. Doesn't this flex the board?
Nope, they attach to the actual mobo via 4 screws and nuts on the opposite side of the mobo so it's very sturdy. It isn't "attached" to the actual cpu so it doesn't really put any pressure on the mobo. Hard to explain, but no, there is no added stress on the mobo.