I'm planning on purchasing the MacBook Air sometime later in April and will be switching from a Macbook Pro (Late 2008 unibody: C2D 2.4 ghz, 4GB RAM) to the maximum configuration for the MacBook Air 13" (1.86 ghz or 2.13 ghz, 4GB RAM). How much would I miss though, and would my needs be too intensive/demanding for the MBA? Parallel running: (Usual config) Chrome Safari Skype iTunes Evernote Speed Download Chrome: 10 tabs+ usually. May get up to 25+ sometimes, with all the above apps open. Adobe Illustrator CS5: Designing with the app with all the above apps open. Would it work?