sudo aptitude search xserver-xorg-input-
v   xserver-xorg-input-4                             -
v   xserver-xorg-input-7                             -
p   xserver-xorg-input-acecad                        - X.Org X server -- AceCad input driver
p   xserver-xorg-input-aiptek                        - X.Org X server -- Aiptek input driver
i A xserver-xorg-input-all                           - the X.Org X server -- input driver metapackage
p   xserver-xorg-input-elographics                   - X.Org X server -- ELOGraphics input driver
i A xserver-xorg-input-evdev                         - X.Org X server -- evdev input driver
p   xserver-xorg-input-evdev-dev                     - X.Org X server -- evdev input driver (development headers)
p   xserver-xorg-input-evtouch                       - Touchscreen-Driver for X.Org/XFree86 server
p   xserver-xorg-input-fpit                          - X.Org X server -- FPIT input driver
p   xserver-xorg-input-joystick                      - X.Org X server -- joystick input driver
p   xserver-xorg-input-joystick-dev                  - X.Org X server -- joystick input driver (development heade
i A xserver-xorg-input-mouse                         - X.Org X server -- mouse input driver
p   xserver-xorg-input-mutouch                       - X.Org X server -- muTouch input driver
p   xserver-xorg-input-penmount                      - X.Org X server -- Penmount input driver
i A xserver-xorg-input-synaptics                     - Synaptics TouchPad driver for X.Org server
p   xserver-xorg-input-synaptics-dev                 - Synaptics TouchPad driver for X.Org server (development he
p   xserver-xorg-input-tslib                         - tslib touchscreen driver for X.Org/XFree86 server
i A xserver-xorg-input-vmmouse                       - X.Org X server -- VMMouse input driver to use with VMWare
p   xserver-xorg-input-void                          - X.Org X server -- void input driver
i A xserver-xorg-input-wacom                         - X.Org X server -- Wacom input driver