This is actually a nice pedal.
Don't listen the bad review.
I own the 650 (which is $100)
and while I was shopping for a pedal for my new kit, I came across this one.
It was really responsive, very smooth and fast.
You will be very happy.
Here it is:
PDP PDP Single Pedal 450 and more Drum Pedals at GuitarCenter.com.