Effort needed to make next-gen title has "quadrupled", says Killzone dev

[walsufnir]

You also have to keep in mind that for devs it's "new", especially for the 1st party devs! They had to use PPC for a very long time, Sony 1st party had to cell whistlers. 3rd party won't have that high of an obstacle because they have tools for pc already ready.