At the beginning of July I ordered the Dell Inspiron 640m Notebook. This article describes the installation of Debian Linux on this hardware. Besides that, a short review of all parts is given.
Read about the experience here
Installing Debian Testing
I downloaded an image of Debian Testing and burned it on a CD. After booting the system with that CD no CD/DVD-drive and harddisk were detected. That happened because SATA drives require special drivers. The second workaround on that page knew what to do. Worked like a charm. Afterwards, the system installed properly without any problems.