I'd say he's a #3 at best.
'all' the numbers combined with what i've seen of him myself over the years. For Smith i've been looking at the numbers i posted earlier by Carolyn, she uses a weighted Corsi model and P/60, i've also looked at his Rel-numbers from Corsica and i've looked at his WAR, GAR and XPM from DTMAboutHeart's model.
If i'm using flawed stats then what are you using? Your eyes and brain with perfect recall and perfect analysing ability?
And yeah, i'm saying that over a longer period of time Brendan Smith is a #4 and should be used as a #4.