Corsair 800D loop question.

[Davit]

Hi all,
Changing the radiators in my system. Switching to Alphacool NexXxoS Monsta 360 and 240.
Components:
Koolance dual bay res RP-452x2 rev 2.0 with 2 MCP655 setup in series.
Apogee XT rev 2.0 CPU block
Alphacool NexXxoS Monsta 360 and 240 radiators
110cfm Coolermaster fans
5/8" OD 7/16" ID tubing

The way I had the loop routed was:
Res out(pump one) - Rad 360 - Cpu(2600K@4.8Ghz) - GTX680 - GTX 680 - Rad 240 - Res in(pump two).

Now this is the cleaner setup(tubing wise) out of the bunch, but I am pumping water that is washing through CPU block through both GPUs before dumping it back into the 240 rad.
Thermodynamically speaking, I THINK it matters very little whether or not it goes from CPU to 2 GPUs as long as the flowrate is pretty good, and it is great with 2 pumps) the overall loop temperature will remain constant. And will provide sufficient cooling to the video cards. AT least in the past I have not seen temps I would be uncomfortable with.
I am contemplating on possibly adding a 3rd 680Gtx to the loop... at some point.

Now to my question.
a) Should I route the flow to hit 240 rad after washing through CPU before getting to the GPUs as in:
Res out(pump one) - Rad 360 - Cpu(2600K@4.8Ghz) - Rad 240 - GTX680 - GTX 680 - Res in(pump two)?
b) Add a 140.1 rad between CPU and GPUs? (right now there is a 110cfm 140mm fan bringing outside air into the case to feed 360 Rad fans)
c) You're bored, leave the things alone and go watch a movie? (which movie?)

Here's the pic, loop is all torn up here, while I am figuring things out.
http://i195.photobucket.com/albums/z20/davit1979/IMG_20130815_172236_844_zpsdc9c7c98.jpg (http://s195.photobucket.com/user/davit1979/media/IMG_20130815_172236_844_zpsdc9c7c98.jpg.html)

[m_jones_]

c
Loop order has very little effect on the temperatures of your parts, doubt you would notice the difference between the orders so go with the cleanest one.

[Davit]

Thanks man,
Good lookin out.