Your bricks are looking good, but they're a little too shiny. Bricks are very dull in reality. Right now it's looking less like brick and more like ceramic. Good work, so far, though.
I actually think that it needs more subtle noise. You already have some of it, but bricks are very noise when you think about it. Though, i don't know how well that would bake.. Other then that i think it looks good!
I gave the bricks a character pass to make them feel a little more interesting as well as did a quick specular. Its nearing a more complete state so going to move onto some other parts of the very simple scene I have planned. Then come back to do a final pass towards the end of the mini project.
A few more beers down and a bit more time tweaking, I'm still not happy with it myself. I feel its lacking something but I can't really put my finger to it. It seems a little flat to me, possibly I need to work in the edges of the bricks and add more colour and variation to the mortar. Not sure... Although I think I might…