Certain laptops have found some more enthusiastic Linux users, than other models. This list is probably not comprehensive:
ThinkPad Configuration Tool for Linux tpctl
Running Linux on IBM™ ThinkPads, to join send an email to linux-thinkpad-subscribe@topica.com, to post send mail to linux-thinkpad@topica.com . See http://www.topica.com/lists/linux-thinkpad/.
TrackPoint driver by Till Straumann.