Have we gotten its gonna have a projection screen rumors yet??
Most people think that Apple will be lazy and for the 6S have the same 326 ppi and for the 6S + will release the re-scaling down to have it at it natural resolution. That would make the 6S Plus have close to 2X that of the 6S! It cost nothing for Apple to increase the 6S Plus resolution and it will be a faster screen refresh since it does not have to re-scale down the pixels like the 6 Plus.