I have no advice as I am notr a vendor and never been in that market. All I can say is: WOW!!
Your pictures are just breathtaking, so clear and sharp and I personally like black and white and have noticed many popular designers using framed, black & white pictures on the walls in new home designs. You are so talented, I kid you not...
_________________________
Take a peek at my BLOG:

http://charleen-micheles.blogspot.com/