Their temperaments are FABULOUS. You want a teddy bear, get this breed. Every once in a while you run into a nervous SF, but most are teddy bears.
They ARE A commercial body type, meat breed. They do not compete with NZ or Cali's for meat, but the temperament is SOOO much better IMO. I have both. Tried NZW's, they were mean as spit. I now have NZ blacks and Silver Foxes - the NZ blacks are not mean but they are definetely more spazzy than my SF by FAR.
They were originally a fur breed (bred to look like silver foxes for the fur market) but everyone knows the fur market in the US is nonexistant. All rabbit fur is imported from
China because for some reason they can produce prime furs for MUCH cheaper than we can here.
Generally, SF are superb mothers. They pull tons of fur and mine have litters that probably average 10 kits. I usually cull down to 8 for any breed, as I find those grow the best, but that's not necessary.
SO FAR, the worst experience with SF (or maybe it's purebred rabbit breeding in general, not experienced enough to know) is with the BREEDERS themselves. They seem to be snobby and always talk about other breeders in a bad way. My guess is this isn't just a problem with SF breeders though, but any purist breeder.