They have been confirmed to work on the Eee Pc 701 series, 901 series, 904HD, 1000, 1000H, 1000HA, 1000HE, and 1000HD, however all known Eee PC components are detected, and should work out of the box on even the latest Eee. (If not, please tell me)
There is a project on SourceForge for them, link here: http://eeepc-acpi-util.sourceforge.net/
They are available for managed installation via apt by adding the StatUX repository (link on right).
Here is the original announcement on eeeuser.com: http://forum.eeeuser.com/viewtopic.php?pid=463370
There is an action script that intercepts input from the "special" keys on the EeePC keyboard. These keys are configured as follows by default:
Top row (4 keys)
- Touchpad On / Off
- Screen resolution cycle (1024x600, 800x600, 640x480)
- Bluetooth On / Off
- Webcam On / Off
- Rotate Screen (Cycles Left, Inverted, Right, then Normal)
- CPU Mode cycle (Performance, On Demand, Power Saver)
- Firefox (Customizable)
- Pidgin (Customizable)
- F1 - Sleep (not managed by my ACPI Scripts)
- F2 - WIFI (It will autodetect your adapter, or alternately you can select ndiswrapper mode)
- F5-F6 Brightness (not managed by my ACPI Scripts)
- F7 - LCD power Toggle On / Off
- F8 - VGA Output toggle
- F9 - Gnome System Monitor
- F10 - Volume Mute
- F11 - Volume -
- F12 - Volume +
The configuration file is stored in a standard location for (/etc/default) and it's called eeepc-acpi.

Pretty much any configuration parameter is in there, including an option to show you what key you pressed. It doesn't care about models, it looks at your PCI devices to figure out what WIFI card you have, which is override-able if you'd rather use ndiswrapper. You can also change the rate of volume up / down as well as the device (LineOut) by default. Additionally, you can change the fan management mode between "auto" and "managed" and set the temperature zones. The CPU shifts from on demand to performance mode on power change (AC / Battery) as long as CPU Freq is installed.

If you are satisfied with EeePC ACPI Utilities, then do your part to keep the project alive and hosted by helping pay the fees involved with bringing you free software.
NEW: Please provide feedback about your model and level of support here:
[ LINK ]. Thank you.
Download from SourceForge: http://eeepc-acpi-util.sourceforge.net/
Download through APT / Synaptic: http://www.statux.org