I have been fooling around with the direct touch coolers ever since they have come out (all brands)
The subject is a bit more complicated than it seems at first glance
FWIW there is a newer slightly different (staggered flats) 4 pipe Xigmatek - the achilles 1284
http://benchmarkreviews.com/in...=view&id=151&Itemid=62
Secondly, the top gun on frostytech is the Sunbeamtech (the folks that make the Tuniq brand, but it is NOT tuniq)
http://www.frostytech.com/arti...iew.cfm?articleID=2271
http://www.sunbeamtech.com/
The above unit is not avail as of yet.
Just briefly, I could give a few tips:
You have to fill in all the gaps BEFORE you put on STRIPS of thermal paste
http://benchmarkreviews.com/in...k=view&id=170&Itemid=1
http://benchmarkreviews.com/in...2&limit=1&limitstart=4
The orientation has to be so that the HS "U" pipes are horizontal, not the normal verticle with HS facing to the rear, this so that the liquid in the pipes doesnt have to fight gravity
Whether or not the Direct touch works to best effect depends on what CPU you are using, and what the core voltage will be
Thats why reviews of HDT are all over the map
Pentium 4, single square core, med core volt, high core volt
Penryn 65nm 2 core med core volt, high core volt
Penryn 65nm 4 core, med core volt, high core volt
Wolfdale 45nm 2 core, med core volt, high core volt
Wolfdale 45nm 4 core, med core volt, high core volt
Note here how dual core dies are long vertically (but dont look that way with heatspreader) and quad core are long horizontally
http://www.arcticsilver.com/pd...s5_intel_dual_wcap.pdf
http://www.arcticsilver.com/pd...s5_intel_quad_wcap.pdf
http://www.arcticsilver.com/in...ute_step2intelas5.html
So now you have to balance out whether helping the liquid move, or keeping most of the heatpipes on the cores will be best, factoring in core voltage