Casting a vote for:
-SiSoftware Sandra
This is a must, every has access to it.
-Music production/Digital Audio Workstation software
Ableton Live, Cubase, Pro Tools, etc. Load them up with a huge about of synthetic instruments, effects, mixed and sampled audio clips, then track CPU usage over the course of the song.
-AutoCAD (inventor/revit), Solidworks, application and project load times. Simulation, stress, CFD, etc.
-JAVA, FLASH, HTML5. Like it or not, HTML5 is going to be used to write new applications as our software moves to the cloud and browser based OS's become more popular.
I think a strong differentiation needs to be made between low-level benches, (ALU/FPU/GFLOPS/Inter-core and memory bandwidth/Latency/IPC/) medium-level synthetics, (Standard benchmarking software) and high-level applications, (load times, open/close, game FPS, level load/save, etc). i.e. How many GFLOPS difference result in how many more FPS, load times? Care should also be taken in writing to avoid benchmarking the software vs benchmarking the hardware.