Does Apple really spend more on software development than Microsoft? It's slightly plausible that they spend more on items specifically related to home users and designers, but overall?
This link: http://www.tuaw.com/2008/11/07/apple-adds-staff-boosts-randd... has Apple spending a little more than $1B on overall R&D, and this one: http://blog.seattlepi.com/microsoft/2008/08/04/charts-micros... has MS spending about $8B.