Gaming Tests3DMark Vantage
A reliable and popular benchmark, 3DMark Vantage can provide a good insight into overall gaming performance of a system.
Yes, the integrated graphics on the Sandy Bridge processors is as much as 3x faster than the integrated graphics on Arrandale. Very impressive!
Valve Source Particle Simulation
Valve released this particle simulation test a while back for benchmarking platforms and CPUs.
Valve Source Map Compilation
More of a developer test than gamer test, this benchmark is indicative of how long it takes a system to compile a map.