Let's not forget CAD, GIS, SQL, ..... Really not all that hard to exceed 16GB, and don't forget Apps just keep growing as do games--Today most recommend 8GB for gaming - it was only about a year or so ago everyone was saying 4GB is plenty - but hit the stores - most all the pre-built rigs these days have a min of 6-8 and can find quite a few w/ 16GB