I'm a commercial artist who's spent a couple of decades pootling around in various mundane areas of graphic design & illustration. Definitely happier drawing than designing.
Portraiture is probably my most enduring interest. Working at the miniature sketchcard size is an interesting departure, where you have to apply all the traditional elements, techniques & disciplines in a very tightly focused & challenging format. I also like the idea that the Sketchcard/ACEO concept gives all sorts of people the opportunity to build a collection of original artwork on subjects they like, in styles they like, without breaking the bank, a sort of "art for the people" in the very best sense.
I also do larger works, prints of which you can buy at my various webspaces - see arthermit.blogspot.co.uk for more info.