One of the major issues with a dual head design is ooze from the inactive head, which it sound like you've solved with appropriate retraction and temperature settings. There's also the painful process of aligning the heads correctly and tuning the setup to get everything working right. Your print looks great, which means you've got ooze, temperature and alignment down pat, but I'm sure you went through a lot of pain to get it that way. I also see that your print does not use more than one colour on the same layer - are you getting as good results with more complex prints?
This is an educated guess, but the Cyclops solves this by printing multiple filaments through a single hot end. You print with one filament then, when you need to change, retract out of the hot end and switch to another filament, then extrude a set amount to force the remains of the previous filament out of the melt chamber and prime with the new (hence the mixed colour tower in the picture), then continue printing.
Chances are there are two remote extruders connected to a switching mechanism above the hot end. The mechanism may be driven by a servo (or probably something more clever) to switch from one extruder's bowden tube to another, probably by moving them along a single plane, back and forth above the hot end. Another way of accomplishing this is a train-tracks approached as per
this blog post. I've tried the latter, but it introduces significant friction and makes it difficult to push the filament through.
One hot end means no alignment problems and no ooze problems (or at least the ooze is easier to fix with retraction settings).
