D-Tek data:




Swiftech MCW60 data





Seeing those pictures it seems that:

1- MCW60 has a much better pressure drop profile, quiet 2x less pressure drop than D-Tek

2- MCW60 thermal resistance is way better than D-Tek block

So, I can't see how it could perform better than an MCW60 on any kind of loops. A test/review is needed. Unless a good review is out, I'd still go for the universal well proven MCW60 block