I want to change the operating system on my Asus Eee 900 PC but because It doesn’t have CD Rom I’m Searching for away to use flash memory instead and i found this video on youtube [link]

References:
http://www.scribd.com/doc/13257/Boot-Windows-XP-from-a-USB-flash-drive
http://www.techmixer.com/install-windows-vista-from-bootable-usb-flash-memory-drive/
http://www.nu2.nu/pebuilder/
http://www.bootdisk.com/pendrive.htm