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What I mean by is, when I took images while steadying myself against a wall, held my breadth & was extra cautious my images came out really great on D7000, I had D2x & also shoot often with my Hasselblad H series. Now when I take a quick photo where composition is important, than there may have been a slight shake, as D7000 shutter one needs a little more pressure to shoot, while D2x shutter is sensitive to touch. One can shoot either with mirror up or in Q mode in D7000 that should help. One just gets used to the shutter feel in D7000, it is just different than D2x, though I shoot with 17-55 on D2x & D7000 & also 105 vr, they r great on both. So IMHO D7000 is great, peeps who make quick opinions without analyzing the results do short change its ability, D7000's DR at low ISO, high ISO, HD movie & lighter weight, is worth its money, every penny. Just practice with critical eye.
Either way you can't go wrong, as I have fond memories of D2x, but I thought it was time to let go.