What are the advantages and disadvantages of autodesk inventor 2011?

Autodesk Inventor does take up a lot of space and memory on your computer.

However, it does have many advantages. It creates mass and volume to the object, the model looks very realistic and can be rendered to look very realistic.

Also, with Autodesk Inventor you can create a sketch before adding dimensions and sizes to it, unlike AutoCAD where you have to know your dimension before you create.