mrs alect is a professional photographer, and had been using film Nikon SLRs. She then bought the D100 and had it for 2-3 years and has recently moved to the D200 - which she absolutely loves. If your budget can stretch it the D200 is great. But if the budget is lower, she has good things to say about the D70 and D50. Given your Nikon lenses, a Nikon would be the economically sensible choice to make.

She too once dropped the D100 and a lens on concrete getting out of a car at LAX - she was in tears as it was her favourite lens. the lens was unscathed.