You can install 32-bit Windows 7 on a Dell Inspiron 6000 as that is how I am running mine although I do have 2GB or RAM rather than the stock 1GB.
I have installed the 32-bit RC since June and have found no problems. If you install the RC you will probably find that the OS already has all the drivers.
However I did download the 32-bit vista drivers for the Audio, Touch Pad, VGA Adaptor and Wireless. There can be serched for on the US Dell site under the numbers R99254.exe, R140031.exe, R153383.exe and R154405 respectivley.
Note the Touchpad driver does not show compatibility with the 6000 on the web site but installs and works fine.