I have a 710 in D2 ... Cannot recommend that steel and model enough. If you get D2 look into getting a bottle of Eezox knife care - 4 years near oceans and never a spot of rust.
A lot of the strain you may not be prepared for is boredom and coping with patients who are abusing the system. These are stressful times as well. The horrible things you see are a different strain, but seem easier to cope with. Patience is hard learned, and maintaining a compassionate and...