Thinking about getting an in-dash Sat Nav system, was looking at Kenwood DNX7320NAV and Pioneer AVIC-F900bt. Anyone have any thoughts on either of these? What other systems are out there on the market?

Also, saw that in South Africa, the Polo get Sat Nav option, so I'm guessing there is a VW OEM system that fit the Polo? Anyone know which model that is or if any of the VW OEM sat nav options would fit?