Hi there, I'm aiming to get my first Mac January of next year once I've got some cash from the holidays and I've got several questions! What this Mac is for: App game development, music, light Photoshop 1. Will an 11 inch screen be big enough? At times I can hook it up to an external display 2. Is 4 gigs of RAM enough? 3. IS January a fair time to buy or is it going to update a month later? 4. January is around when they do there back to school have a free ipod sale right? 5. Do I need a superdrive? Thanks!