I'm sorry, but did you even read the article from gamastutra's interview with Cerny(the ps4's maker/daddy or whatever).  You need to know the facts before you comment.  They worked with AMD's gpu products and customized them for their own needs in the ps4.  I don't even know much about tech and I can tell from the interview that the ps4 is not just PC parts thrown together to make a console.  

As I already posted earlier it has already been confirmed that all 13 sony first party studios are working on ps4 games. That means we will get 13 exclusives minimum. Along with ND, SSM, QD(not first party), GG all have 2 teams or have two games in development, which will all eventually be making ps4 games.

It's really not heavily customised, they have simplified some things, expanded on others and it's certainly not new designs from the ground up, all the execution engines on both the CPU and GPU are standardised PC hardware.

However, what they have done is taken the approach that AMD was heading down a little farther, allowing the CPU and GPU to talk to each other on a relatively low latency, high bandwidth bus so that each "engine" can help each other on tasks it's best suited for.
However, where it deviates from AMD's eventual goal is to have the CPU and GPU execution engines as one in the same, the technology/R&D simply isn't there yet, a few years maybe, it's one of the reasons why AMD jumped onto GCN and will continue to evolve that architecture for more programmability.

how funny the guys from cd are

Oh, I know they didn't heavily customize it, but I just didn't know of any other way of explaining it besides just saying they customized for their needs.  I should have said maybe "small customization".  Anyway, thanks for the explanation, I'm slowly learning more and more about this type of stuff.