I’ve been lucky enough to get a CPMC for my Birthday, its the B6 version which is just the right screen size (IMO) for the GS, I’ve been away so it’s taken a few weeks to get it fitted (I know) and give it a run out.
Mine looks and feels good quality and has worked out of the box once I’ve paired my phone, the wonder wheel works as promised and it hasn’t missed a beat as yet.
I’ve removed an XT to fit the CPMC as i can use Apple Maps, Waze and My Route App so I think it covers all bases for me & for £168 delivered it feels like a bargain.
It’s also got it’s own GPS receiver so hopefully it’ll be easier on the phone battery
I did look at a Chiggee and that looks really good quality and thought I’d have one of those, but I’ve had an Aoocchi C3 on my scoot for about a year and it’s been faultless so I thought for a third of the price of the Chiggee it had to be worth a go - I think it was although time will tell.