For servers and desktops arm also has you covered there Armada XP Quad core arm processor and this processor will be available on consumer devices to.
http://www.youtube.com/watch?v=no1mOG8FaAw
Arm will beat Intel for the same reason that Microsoft beat Apple. Intel is trying to compete Texas Instruments, Qualcomm, Nvidia, Marvell, Freescale, Samsung, Telechips, ST Ericsson etc. It is like Apple trying to compete with HP, Acer, Dell, Asus etc.