AMD adds new chips, motherboards and coolers to desktop portfolio
AM1 will enable "inexpensive yet powerful everyday PCs" to compete against other devices
Phenom II and Athlon II processors promise performance on a budget
2009 platform has the latest processors, support for Windows 7 and 24-month stability
760G chipset delivers integrated graphics at low price point
X2 7000 series forms core of Cartwheel platform