In my opinion, the price of $750 is reasonable. I think they list at about $1200, and I see them new at near that price. I'm unfamiliar with Pedersoli's RB, but the Creedmore version is a lot nicer looking gun that the standard version, with it's stupid carbine barrel band.
If it was something I liked, I wouldn't hesitate to make a serious offer, and try to get it maybe a bit cheaper. If not, it's not that bad a price.
Pedersoli guns have a good reputation for accuracy, and value for the buck. I would think this wouldn't be any different with the RB model.