Star collimation is the most successful way to collimate ones of these scopes... I found in the 8", using a Cheshire on the kitchen bench I was able to get the mirrors roughly aligned by eye, just making all the rings concentric... Then when I got under the stars, I defocused a star and tweaked the collimation in much the same fashion that you would collimate the standard SCT. Once the shadow of the secondary was central within the defocused star, I nipped the collimation bolts tight (again, much the same as you would with an SCT) re-checked the collimation then started imaging... All up it took about 20 minutes....
Best of luck!
