A lad from Soton has that kit over on 998cc.org.
I think he fitted it himself and then TTS dynoed it and set the PC5 up for him and it took a bit of playing. I believe a few guys over in Canada/US have also exported the kit.
If I had a bit of cash doing nowt, i'd consider it - the hard work has been done in the kit [plenum, supercharger drive system], the worst job is swapping out the head gasket for a thicker one, but even that is procedural and still less work than most car head gaskets - unlike some bikes a thicker head gasket does not chuck valve timing out either. Being EFI fueling is just a map and can be tweaked to really get it tuned correctly.
Run a bar of boost and have a real street sleeper......