My T61 on the other hand, runs on Linux and the touchpad is super smooth. It's not only Apple. Could be just Windows drivers being poor. :)
On my T430, with Lenovo-branded Synaptics drivers installed (it's an even greater mess without them), using the TrackPoint for scrolling will reset above setting to 1 line and make touchpad scrolling ridiculously slow. Setting it back to 3 lines won't fix touchpad scrolling until restart.
Worst point: I can't even disable middle button scrolling, so I constantly hit it by accident.
It's ridiculous how PC vendors totally ignore bugs in the most basic functionality. I like where Windows is heading, I like many aspects of ThinkPad hardware (dedicated Home/End/PgUp/PgDn buttons are a huge selling point), but these things are violently pushing me back to Apple.
you can't put a 'number' to it, so it's not something they can add to a spec sheet, so, the kinds of people who hate on apple will not pay for an 'inferior' spec machine which has a higher build quality.
it's a hard sell to investors.