But: If yours is a "personal service corporation"--meaning the corporation's main output is your own work effort, for instance as consultant or pet groomer--then all your profits are taxed at a flat 35% corporate rate and you'll usually do better with a passthrough.

FORBES: Investment Guide: Self-Employment

The most egregious exploiters of the current S corporation advantage are shareholders in personal service corporations, generally those companies in the business of providing services in the fields of health, law, engineering, architecture, accounting, athletics, or consulting.

FORBES: Senate Proposal for Tax Reform Part II: Democrats Seek To End S Corporation Payroll Tax Loophole

"Sony Corporation has begun to investigate the possibility of establishing a Personal Net-Banking Service, " the company said in a statement.

CNN: Sony considering creation of Internet bank