The more I learn about the coming NX from Samsung, and seeing the record setting response to the E-P1, it is clear to me that the SLR is now obsolete. If Samsung delivers the promised "EVF that is the equal of any optical VF" there will simply be no reason to complicate a camera with the bulk, expense and cost of a flipping mirror. The NX will increase sensor size to APS. Canon and Nikon better get busy with a ff hybrid or they will be toast. If E-P1 sales trends continue, and the NX delivers all that it promises, I can see these two companies owning the enitre digicam market. And don't dismiss the Samsung label. 20 years ago we scoffed at their TV sets as cheap junk.