I just calibrated and profiled again with argyll and took some readings with spotread combined with the DTP-94 and I got the following results: (I calibrated to -b 120 -gs -yl -qh -k0 -w 0.3127,0.3290 and used photoshop to create patches)
Another suggestion is to run dispcal with -v2, and see exactly what goes on. Does it run out of iterations, and fail to locate some points within the target tolerance ? Graeme Gill.