Would go for it at anything less than $850 or wait 6mos for everyone who bought one in fear to start selling at reasonable prices. $850 is not bad though. Get it.
I'd wait. My LGS had them on sale for $699 just last week, but they normally go for $770. Since the panic is subsiding prices are dropping, but some places are slower than others to adjust. I'd wait until you could get a Sport somewhere in the $700 range.
Kittery Trading Post just got in a shipment of Sports today and has them on sale for $699. They'll ship them to an FFL so if you want one you might want to give them a call.
Wow that's a great price. I paid 839 for mine about a month ago. And by "better" I think people just mean "cooler". I mean really, what are we going to try to do with a Sport that it can't do? It's probably the best gun for the money.