Interesting...I have an opto Saint and champ Teebird. For me, the Saint flies like a straighter Teebird, and a little longer because of slightly better glide. I also have a QOLF that is faster and longer than both those, even though OLF rim size is 1.9cm. The OLF feels like a driver, the Saint and Teebird feel like fairway drivers.
I never looked or noticed it in my hand, but do the saints have a plus-y ish rim? That might contribute to the fairway feel?