apple store on 2gb for mb: Upgrade to the 2GB option (two 1GB modules) if you plan to use your system regularly for more intensive tasks, such as sound design, video editing, and DVD authoring.
apple store on 2gb for mbp:Choose the standard 2GB of memory to support day-to-day tasks such as email, word processing, and web browsing as well as more complex tasks such as editing photos, creating illustrations, and building complex presentations.
2gb in the mb sounds better!!