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[Xion X2]

Or you could flip/reverse the fan inside the PSU to blow down taking air from inside the case and blowing it out the bottom.

Yeah, but then that would be much simpler than what I had suggested, and where's the fun in that?

See, this is why I'm glad that I have you guys here. Sometimes I'm too busy mapping out the next hundred possibilities and miss the easy solution. I think you pretty much nailed it here. Just reverse the fan on what is now the intake so that it pulls air down through the bottom of the PSU instead of up through it. This will create airflow starting at the vents on the right of the PSU down through the 140mm "exhaust" fan on the bottom.

My lone concern left is that I still wouldn't want the bottom fans on the radiator to be cycling that warm air off the PSU, but since they'll be 8-10" over to the left it may not affect temps too much. Given that I've seen much better temps in the past from pulling air into the case through rads instead of pushing air off(and, in effect cycling warm case air through the fins,) I'd like to keep this part of the design in effect.

I'll take a few pictures and create new renders that will better show this new idea tonight. Thanks for helping me map this out in my crazy brain.

releX, looking awesome and can't wait to see more!

Not sure if it matters, but just wanted to let you know that the HX1000 has a 140mm fan, not 120. Just a heads up.

Keep up the awesome work and more pictures now!!

Thanks, Touge180SX! Yes, you are correct. I actually knew that but said 120mm.

Something else I could do, if for nothing else than peace of mind since I'll be changing the PSU's original design slightly by reversing the natural airflow, is to replace the stock 140mm fan with something a little stronger that pulls more air. I think I'd feel a little more secure with this decision if I did that just to be on the safe side. If anyone has any suggestions on a good 140mm fan replacement then feel free to share it.

I have a couple 120mm fans which I'm certain could start hurricanes in Chile (157cfm rating) but no good 140mm.