If you try to adjust the edge scroll speed using the slider it jumps all over the place instead of sliding. The arrows work fine though. Other sliders do not have this problem.
This bug has been carried over to the current beta of FE.
System
OS: WinXP Pro SP3
Motherboard : ASUS P6T DELUXE LGA1366
Processor : CPU Core i7 920/2666 QuadCore
Memory/RAM : Kingston Memory DDR3 3GB Kit of 3 PC3-10666
Video Card : NVIDIA GeForce GTX-560 Ti (Asus GTX-560 Ti DCII TOP 1GB GDDR5,)
Sound Card : Auzentech X-Fi Prelude 7.1