Mac-using students rejoice! Apple havare launching their biggest ever offer to students in a "back to school" deal, expected in the next few days. Apple vice-president Ron Johnson has promised that this year's promo would be the biggest "ever" for Apple, even though no concrete details have been released of yet.  Over the years, they've offered both teachers and students $179 (£90) and $199 (£100) off certain items such as new MacBook's and suchlike (probably not the entertainment type devices though, it seems to me this is more of a "offer for those who want to learn rather than dawdle around all day). Although what's interesting is that now the MacBook Air is out, it seems this may well be one of the...