Yeah, I wouldn't really count on the trees that have been down, though it probably depends upon the type. This past winter I bought some land that had some red oaks on it that had been dropped and cut into 4' sections. According to a neighbor the wood was like that for about 3 years. Some of it was stacked, a lot of it wasn't, and as I'm splitting it I'm realizing none of it is dry enough for this year. Granted, this is red oak and it's 14-24" in diameter. There were a few red maples too, but I'm finding a lot of punk in those. I hope you have better luck than me.