And you should try using 4.0 or 4.1 then going to 4.3 ... then you'd understand what we're talking about.
This isn't made up.
This isn't our devices fault.
This isn't "OCD".
iOS 4.3 is not as fluid as it's predecessors on the iPhone 4.
This is completely true I upgraded from 4.0 to 4.3 and I can definitely tell the difference, wish I hadn't upgraded now.