I also haven't seen anyone that sells sexed poults. I think the BB types from Mt Healthy actually seem to grow a wee bit slower than the turkeys that I used to get from McMurray, fine with me! I think it's easier on their legs, and one year some of my McMurray birds were so huge in November that the lady that wanted the biggest one couldn't find a roasting pan big enough and ended up having to cut the legs off to cook it. This past year was my first with Mammoth Bronze instead of whites (actually was a mistake while ordering that I didn't catch on the order confirmation). Everyone was saying how small they were compared to previous years, until they were dressed out. Those dark feathers were deceptive! I think the toms (from poults hatched June 8th) were 25 - 27 pounds, the hens were around 15 pounds. I will say that I probably could have gotten them bigger, but I prefer to keep the growth slowed down somewhat.
Edited to add: Kevin, I ordered chicks from them last year and wanted to add that I was very pleased with the chicks that I got. Unfortunately, I ended up with just 7 out of 20 (actually got 27 and gave a friend some), but that was no fault of the hatchery. The chicks lived to 14 weeks and then a neighbors dog dug into the chicken tractor... ugh!