I've never been too fond of JVC products. You'll be better off with the Pioneer.
Pioneer.... Throwing a bunch of worthless shit into a head unit. On a side note. I was not impressed with the Pio's iPod controls. Its not near as fast as my W200!! Of course my vote will be for a W200.I think i'm going to go with the PIONEER AVIC-D3...Although i don't know why you would want to see how fast you're going on a touchscreen.. whenever you have a speedometer right in front of you.. =P