Source?
Tesla roof tile production at Gigafactory 2 delayed
Gigafactory production projected to start at end of 2017. It will take some time to ramp up to much volume.
Tesla had already announced that Solar Roof was "sold out" until 2018.
Factor in Tesla Time and the inevitable ramp-up glitches, and it seems clear that any buyers not already in the queue (OP is deciding, so he likely has not put down his $1,000 deposit) will not see product until late in 2018. If he wants Tuscan or slate styles, the wait could be even longer.