In 2009.0 alpha 2 free x86_64 /w Logitech Wave cordless usb keyboard and mouse. Installed from dvd today and not updated yet.
Keyboard works but mouse doesn't. Sorta Kinda goes up and down but doesn't even do that right. Right/left click doesn't do anything.

# lsusb
Bus 002 Device 002: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser

# vi /etc/X11/xorg.conf
...
Section "InputDevice"
  Identifier "Mouse1"
  Driver "mouse"
  Option "Protocol" "ExplorerPS/2"
  Option "Device" "/dev/mouse"
EndSection

Section "InputDevice"
  Identifier "Mouse2"
  Driver "evdev"
  Option "device" "/dev/input/by-id/usb-Logitech_USB_Receiver-event-mouse"
  Option "HWheelRelativeAxisButtons" "7 6"
...

let me know if any other info needed or any thing to try. I'm not a cooker expert hope I'm doing this right...