>I have been reading this forum since the beginning and notice >several posts that discuss the bigger sensor with greater >pixel density may cause lack of sharpness of images unless the >camera is very stable; ie, camera shake is more tolerated in >the D90 vs. the D7000. If this is the case, this nullifies >some of the advantages of higer ISO - having to shoot at a >higher shutter speed.
Hi Terry. As mentioned by someone else, a higher resolution sensor can not be a source or cause of lack of sharpness. Do not be concerned with this. Peter