The purpose of this research study is to find out what effects, good and/or bad, Erlotinib has on Myelodysplastic syndrome. Myelodysplastic syndrome is a group of blood diseases where the bone marrow (spongy space in long bones which is the factory for blood cell production) does not make enough blood cells and therefore there is a lack of healthy blood cells in the body. This can result in anemia, risk for infection and/or bleeding..