There is also Eric's comment at dpReview forums talking about the possible future developments:
"So, for now, you can just count on incremental progress. The progress is still pretty rapid so even incremental progress over a few years looks like giant strides forward. The CMOS APS is probably good for a 100Mpixels at the consumer level, maybe more, with the usual trade off between pixel SNR, DR, and resolution effects on IQ. WDR(HDR, XDR) and global shutter functions may appear in the next few years in DSLRs. Fast frame readout opens the door for lots of fun post processing.
I do expect to see some 3D capability inserted down the road as there is already research going on for RGBZ kernels (one pixel used for range finding). This is challenging and product development will depend on consumer pull. I don't expect much pull from this community but for better or worse, this community has never had much impact on sensor technology development compared to consumers at large."