I could just say 'yes' Clive, but I think that starting with a Canon and studio lighting and your professional level experience on portraiture, it would be over-doing things. Also you only need to pay for an upgrade and see what is new.

For what most of us encounter, ie trying to convert outdoor/location mug-shots to as near-portrait standard as we can achieve, NX has an additional goodie in the the 'U-point' technology that allows, typically, deep shading on parts of the face to be corrected very quickly and only where needed. Eye sharpening and pimple removing (only on men of course) are also quite easy.

I have done a bit in the NX thread on applying totally different treatments to one part of pic from another (to supplement Nikon tutorial).

If you care to e-mail me original CR2 of Victoria, I would love a play and to give her hair a shampoo to soften it a bit, otherwise a beautiful portrait.