Thi's an interesting article on nbadraft.net. Here is what Bob Hill thinks about the two:
"They're different players. Hassan can dribble the ball, shoot the ball, blocks a lot of shots. He's a good kid. He's more of a big forward because he doesn't have the strength to play center. As he continues to mature, he's got a really bright future."
"Daniel's the opposite. He can play big forward and center. He's got good range on his shot. He's a little bit bigger and a little bit more confident (offensively) around the basket. He's more physical than Hassan."
"They can both block and they can both shoot. It's going to be a matter of both players getting indoctrinated this summer into what pro basketball is all about to understand the length of the game and the pace of the game."
It made me curious though that Hilton Armstrong was able to beat them quite easily...