View this article at: http://dev.macnn.com/articles/05/09/23/richest.americans.aspyr Friday, Sep 23, 2005 3:05pm Briefly: Richest Americans;... In brief: Steve Jobs is officially the 67'th richest American, according to the Forbes 400 list.... The final system requirements for Roller Coaster Tycoon 3 for the Macintosh have been set to Mac OS X 10.3.9 or later and a G4/G5 processor running at 1GHz or faster.... Malte Brill of DerBrill Software released a range of free tutorials particularly geared toward learning how to write games and multimedia applications using Revolution, and the powerful ArcadeEngine library.... Belkin introduced three leather Nano cases (shown at right), designed to reinforce Apple's minimalist industrial design approach.... zCover released its iSA micro Duo Pack silicone protective cases for the Nano, offered in a selection of nine colors with clear screen protectors and removable lanyards.