The heatpipes are probably better than any other current board in my opinion. I wanted to try a water block ,, otherwise I wouldn't perhaps have gone this route, at best adding a fan such as
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Quite a few issues with compatibility if you go this route as a few of us have found.
Known Incompatable Coolers
1) Mossfet/PWM
Thermalright HR-09 U type 2 Mosfet We have been in contact with Thermalright & they have dropped this cooller from the compatability chart.Cooler
Found by ckirkby3
This pic shows the issues the heatsink basee is bouut 2.5mm too wide :-

Will be sending this on to thermalright , who asked for a picture.

Hopefully they will make a computable version.
2) Southbridge / Northbridge
Enzotech - Low profile Chipset block SLF-1 I ordered 1 of these great looking coolers to put on the Southbridge. the holes on the mobo are too close together to fit this unit.
CNB-N1(Rev A) Maximum mount width is 67.4mm which is too narrow for
NB.
Noctua NC-U6 I tried tyhis on both
NB (Mounting is about 1/2" to short) and
SB (Either blocks
sata port or
PCI-E slot.
If you find or know of any Compatable or Incompatable coolers please let us know & I'll add it.
Continued: Aftermarket Cooling X38/X48 2of3 - My install