There are intermittent slow-downs and brief stoppages during play, particularly during aerial acrobatics. The game seems to prefer Voodoo cards over the NVIDIA line, so you may have better luck if your machine is equipped with Voodoo magic.
With so many different ways to play, tons of secrets to uncover, great graphics, a rocking soundtrack, and the ability to create your own skater and skate park, THPS2 is a high water mark for all 3D accelerated titles.
Note: this experience is for trigger happy, technique twitch gamers. If "Baldur's Gate II" makes you feel a little bit stressed by its pacing, then Tony Hawk 2 will give you a serious migraine, and possibly dry mouth.