Until the unibody MacBook came along, the first thing I did with a new laptop is plug in a wireless mouse. It's been like that for years, and I don't understand why, out of all the companies making laptops, Apple is the only one that makes a decent trackpad.
When I get a new laptop to test I dutifully use the trackpad in the hopes that someone has finally produced one that rivals those found on Mac laptops. I test the standard mousing features and the multi-touch capability now found on all trackpads. That exercise always ends in futility, as none of them ever live up to the potential. They are either too sensitive, not sensitive enough, or even worse interfere with typing by sending the cursor all over the screen when my palms hit the trackpad.
However you feel about Apple and MacBooks, you have to admit they have nailed the multi-touch trackpad down cold. Apple trackpads work exactly as they should, with no ill effects. The sensitivity is just right, the integrated mouse buttons work just right, and the palm rejection is just right.
The closest to an Apple trackpad I've seen so far on the PC side is the Lenovo IdeaPad U300s Ultrabook. Lenovo did a great job with the over-sized trackpad, and it's the only one to date I use without plugging in a mouse. Even so, it sometimes does the cursor flinging thing when I am typing, but not as much as every other non-Apple trackpad I have tried.
I am beginning to think making a trackpad that works properly must be incredibly difficult, or everyone would be doing so. Heck, even though Lenovo almost nailed it with the U300s, it totally blew it on the U400. This trackpad looks like the one on the U300s, but it is a horrible one to use. It's a good thing the U400 has a setting to turn off the trackpad when a USB mouse is plugged in. At least it stops flinging the cursor all over the screen.