So Number 3, don't stress. Choose the most convenient or economical 220-volt option that best meets your needs. If you have the money, by all means get the Wall Charger and install an adequate circuit. But don't necessarily worry about getting the fastest option. Charging at 32, 40, or 48 amps are all adequate, right?
I think most Tesla owners would agree. You go to sleep and get up with a full charge. The only time I might consider a wall charger, is if I owned more than one Tesla.