Why is the 360 still selling as it has been?

[Galaki]

d21lewis said:

People have been conditioned to buy a new console every 4-5 years.  They can't help it.  Even if it's a console they already own or if it's a console they previously passed by.

It's true. Most people who bought PS2 bought 2 to 3 PS2's during its 10 years.