OK - out of politeness I wasn't going to say this, but since your demanding a "frank and open critique" of your work, then who am I to hold back
Here goes ...
Of recent I've been evaluating your work in terms of sharpness - exposure - colour accuracy (especially skin tones) - composition and - frankly - I'm having a difficult time faulting them in any of these categories, and I have to say that that's a pretty unusual circumstance for me!
So perhaps I too am reduced to the "nice shot" catagory of commentator!