I picked up a genuine apple one off ebay for around $20 shipped. What I like about it is that it sits in the Ipod firmly. The Pioneer one that came with my F90 allowed it to wobble.
I was having the problem of no right channel or even no audio at all. I got rid of the Pioneer cable and bought the Apple one and problem was solved instantly. There is still the occasional need to unplug/plug it back in, but that's very rarely. The pioneer cable was like that when it was new as well.
So go choice 3! Go Apple OEM, not Generic or Pioneer!!!!