[Tricky]

I played some Vampire Redemption and Jade Empire from my C: drive without crashing. As chance would have it what little games I have on C: are all low graphics intensive games. Vampire Redemption and Baldur's Gate are all old games. There nothing there to tax my system much. Jade Empire is pretty much the same, even though it isn't as old of a game. It uses the aged Aurora engine, with perhaps only a few simplistic shaders (light effect around the edge of characters) that it's predecessors lacked entirely.

I have about 3 Gb left on that partition. Does anyone know of a small demo game that makes heavy use of advanced shaders?

Edit: I played a bit of Portal and Half Life on my slave drive without crashing. While Half Life a pretty fast running game on any system, it does make light use of shader 2.0. Neverwinter Night 2's spell effects are much more intense than that. Oblivion the heaviest game, making plentiful use of shader 3.0. Crashes on that game are not situational and unpredictable.