Elliot Williams, Toure Murry, Erick Green, or even Jimmer Fredette would be HUGE upgrades for us at the point guard position compared to what we have right now and would instantly make our team better if given a real chance.
Elliot Williams is tearing up the D league with his scoring and has good size for a point guard. He will put immediate pressure on defenses from the pg position--something Calderon has not done once all year. He is an offensive threat that you have to defend.
Toure Murry will instantly make us a much better defensive team. He is a ball hound who can guard quick, athletic point guards. He is also a big guard who is hard to shoot over. His offensive skills have also greatly improved since he was on the Knicks.
Jimmer Fredette, like Elliot, will apply major pressure on defenses as being a scoring threat not afraid to shoot the ball. Erick Green is another really good scorer with decent size who is learning the pg position.
All these guys are instant upgrades over Jose and Gallo, in my opinion. But knowing the Knicks and Fisher, even if we did sign them, they would never get enough minutes to make a difference.