But i guess you somehow also must be willing to produce content which can't be watched seriously on most systems?! ;O)
:) You're talking about 3DMark - which is a benchmark. It has to be heavy for obvios reasons... but we dot a LOT of other stuff too that most ppl don't usually even know about:
http://www.futuremark.com/solutions
http://www.futuremark.com/solutions/3d
http://www.futuremark.com/solutions/custombenchmarks