I agree, echobeach, I also found that statement perplexing.
Why spend all that money on all those fancy avionics and electronic displays if the aircraft is only certificated for flight in VMC? Looking at the Cirrus SRV technical specifications, the limitations seems to be that the 'PFD' is certified for flight in VMC only.
Seems frankly bizarre to me for an aeroplane spending much of its time in UK weather
. As does a standard gyroscopic turn co-ordinator, mounted behind the instrument panel, which is not visible to the pilot during flight.