Photoboards are an economical way to get a very high quality and durable print.  Photoboards are very common in Europe under the name "Forex Prints" which is the dense and rigid material the product is named after.  A Photoboard is much more durable than foam core (there is no foam in Photoboards).  You should choose a Photoboard if you are looking for a modern looking print that is lower in cost than Metal Prints or Acrylic Prints.