A LiveDVD full of Computer-Aided-Engineering Software .
Including free CAD-Programms, pre-/post processor and finite element solvers.
Very good for a first test.
For people who need a bit more complicated grids (of course you can always do it with blockMesh.
Very good overview of free and commercial mesh generators.
Netgen is an automatic 3d tetrahedral mesh generator.
It accepts input from STL, IGES and STEP file format (CAD).
Looking at your results in many colorful ways.