If you want to install Windows 7 on dell mini 9 netbooks, there is how to do:
1.Boot your dell Mini from a USB harddisk
2.Delete the existing partition
3.Mini be booted in Windows 7. It will begin the install!
Update: I vlite Window 7 Ultimate with both Build 6801 and 6596 on a 16GB SSD, Crash and Dump Support and did not do an automated setup.