If they hatch, do you think they'll be ok when winter hits? Not sure what your winters are like, but up here in mid October (which would be about the timeframe for those to hatch) it could be anywhere from 80F down to about 8F.
If you could keep them warm for the first couple of months, they would make really nice Thanksgiving birds the next year. Its always kind of a race in Minnesota to see if the birds will fill out in time. This year, the incubated birds will be 27 weeks old, and might just make it. The field hatched birds will only be 25 weeks old, so will probably end up as Christmas turkeys. I also have a few hatchery birds that should be fine.