Calling the PS4 simply a new PS3 is ignoring one of the biggest issues with the PS3, that it was not easy to make games on due to its architecture. The cell was an interesting idea, but it added months to development time as companies spent long period figuring it out. Now, those that did (Naughty Dog) made amazing games, but many just tried to figure out how to make it work like existing architecture and rarely used it to its limits.
PS4 is a very simple (relatively) designed system that was made from the ground up with this in mind. My hope is this means shorter development cycles or more development time spent refining games and hopefully reduce costs while more games are available for me.
Also, it is $200 cheaper at day one which is huge to me as well.
