Hey Andy,
Good to see you posting some more
I really like the eye contact in the first one, shame the vertical slats weren't a little skinner as they frame the image well but you lose a fair bit of Oliver. I also like the last one, although its a little cluttered and a closer crop might help it shine a little more.
#2 might look good as a black and white have you tried it ? and #3 looks like your putting the new flash to good use, the lighting is great as is the expression.