I have the Accustic Arts Drive 1 and their latest reference transport uses the much loved SU CD Pro 8 drive, as does the La Diva, but it’s twice the price of the Aqua so if I have to make a change, by default, the Aqua will be first on my list.
The upper tier European manufacturers do seem smitten with the Stream Unlimited CD PRO-8 drive mechanism. It's also favored by Audionet and Gryphon for their CD trabsports. I'm certain that you'd be very happy with the Aqua HiFi La Diva transport.
Charles