Hair East has good hours and does an adequate job on hair.
When I was taking college classes in the Amherst area, I frequently got my hair cut at Hair East. They have excellent hours and a very convenient location. It was extremely easy for me to get regular haircuts in my schedule thanks to them.
However, I wasn't all that impressed with the cuts that I received there. They never gave me a bad cut or style, but I never loved my hair afterwords either. The stylists usually did not cut my hair as short as I had asked for it. They seem to give the hair styles they feel comfortable giving rather than exactly what the client wants.
If you're very busy, I'd definitely recommend checking out Hair East. You can't beat the location or the hours that they offer. If you have plenty of free time, I'd recommend going elsewhere.