The restrictions in my netbook made me convert my Ubuntu install into a Lubuntu. For this, you don’t need to manually download Lubuntu and install. All you need is to install Ubuntu first and run the command in this Psychocats page titled ‘Remove Ubuntu’.
And, voila, you get a pure LXDE desktop!
It may not look as pleasing as classic Gnome or Unity, but it’s quite usable and has a memory footprint as low as 100MB. PCManFM replaces Nautilus as the file manager. The window manager becomes Openbox.
The main problem I had to deal with was connecting to internet using my USB modem. The solution was to install the script they give in www.sakis3g.org. It automatically recognized my Dialog broadband connection. I
There is no Software Center in Lubuntu, only the Synaptic Package Manager. If you want you can search and install software-center from the Synaptic Manager.
WARNING: When you install lubuntu-desktop with the above method, most of the apps that come bundled with Ubuntu are uninstalled. eg: LibreOffice is completely removed and AbiWord is installed instead.