http://blogs.msdn.com/shawnhar/archive/2007/03/28/gamepads-suck.aspxGamepads, like keyboards , are not perfect. They are designed to be cheap, sturdy, and nice to hold: accuracy comes second. Specifically, the analog thumbsticks are not very precise at reporting their absolute position (although they are good at measuringenCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/shawnhar/archive/2007/03/28/gamepads-suck.aspx#1981229Thu, 29 Mar 2007 02:02:28 GMT91d46819-8472-40ad-a661-2c78acb4018c:1981229Ultrahead<p>&quot;The main way you notice this lack of precision is that when you let go of the stick it never goes back exactly to zero&quot;</p> <p>Yes, like when calibrating a cheap gamepad: although you don't touch anything so that it can remain in the center it suddenly enters in an endless loop of jumps to one side or corner and back again to the center, leaving you saying &quot;what the ...&quot;.</p>