I googled, "Disadvantages of using Smartboards in Special Education classrooms." I wanted to see what the views people had with having smart boards used in Special Education classes. It's interesting to read that even though smart boards seem like they would be extremely beneficial to a classroom, that some special ed classrooms will only run into disadvantages.
This website looks at NYC schools and how smart boards have created a better practice in the classroom. It talks about the accessibility to a variety of lessons and how multiple style learnings can be captured using this technology.
Research is reported within this article describing the improvements that have been discovered from the use of interactive whiteboards. For example, Harvard and Columbia found that student retention is improved up to 38% with the use of this technology. Search criteria: classroom interactive whiteboards