Though the gem of WWDC 2012 was the MacBook Pro 15" with Retina display, Apple did "upgrade":http://iheartapple.org/2012/06/wwdc2012-hardware-updates/ the rest of the MacBook family.
For those contemplating getting a 13" model - both MacBook Pro and MacBook Air 13" are selling from S$1,688, with optional upgrades. But which is more value for money? ArsTechnica goes through the specs to show which one is more worth your money." title="MacBook Pro" target="_blank" rel="bookmark"> Faceoff: 13″ MacBook Pro vs 13″ MacBook Air