Quickness and flight[]
To quote Castle regarding quickness and flight:
Well, since you asked, I looked it up. While the Magnitude Scale is the same... it uses a different lookup table, resulting in a lower bonus to Flight speed than Run speed. It's doubtful this will change.
Quickness, Flight, and Stalkers[]
For some reason, Stalker Quickness cannot be slotted with flight enhancements. This is noticed in this thread and is verified by City of Data. -- StarGeekTalk page 23:34, 20 November 2006 (PST)