It depends what you're using it for and whether it's likely to reflect a lot of light. Will you have a window or light opposite the monitor? If not, reflections probably won't be a problem
the best way i know to tell if a glossy lcd if for you. is to put a tv set were your lcd will go. and see if you can stand the glare. becuase the glossy lcd's have the same glass type look and feel as a tv set screen.