I find this site quite useful for another angle on the D70. At least it mentioned this problem with locked mirror, which I heard from friends with D70. Seems to be an isolated incident and its not a major problem. No, I've not bought mine yet. Now I'm thinking of buying some additional lenses first before I grab the D70. Something to do ith cash flow. A 50mm f1.4 and a used 80-200mm f2.8 would be nice.