I'm still unsure what Macbook to get, but I know for sure that I want to get Aperture 2 for editing digital images. Has anyone used Aperture on the 13" MBP? I'm concerned about being annoyed with the smaller screen with editing images. I suppose I could just connect the MBP to my 24" LCD when editing images, but when Im out and about and need to edit something I will have to use the MBP's screen. So, 13" or 15" recommended?