Hi, I have a 2011 iMac (i5 3.0ghz w/ 4GB RAM) that I am considering upgrading. I saw this deal on Crucial (http://www.crucial.com/store/mpartspecs.aspx?mtbpoid=D7B46CD9A5CA7304) and had 2 questions: 1. Is it a good deal? 2. Will I notice any difference day to day on my iMac? I mainly have about 8 programs open at a time and use Aperture and Photoshop. Thanks!