If the X30 was in Standard colour space mode then the colours would have been pretty close to rec709 anyway, so it might just be that you prefer oversaturated colours. No issue with this, but bare in mind that if you ever have a calibration done it will tend towards the colours you (should) have seen on the X30. Of course if the greyscale was off it will effect the colours too. I've no idea what the HC9000 colour gamut is like or whether it can be corrected (if it has a CMS?).