Wenger says Arshavin and Thomas Vermaelen are the ideal signings he likes to add to his squad.
"He was outstanding," Wenger said. "He gave the ball every time a fraction of the second you wanted him to give it and that is top, top quality.
"Our policy is to produce our own and add players of special quality and Arshavin and Thomas Vermaelen are good examples of that. I am not scared to spend money but what we want is to buy the players who have the needed quality to strengthen the team.
"We have only players here who can play and pass the ball and score - not only goalscorers but also decisive passers of the ball and he (Arshavin) has shown that against AZ."