DECREASE OF LATENCY BY 80-160MS (XP)

Process:
START => RUN => REGEDIT => ENTER

1)In the regedit window ( called "Registry Editor") find (EDIT>FIND):
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\

There will be multiple NIC interfaces listed in there, find the one you use to connect to the internet, there will be several interfaces listed (they have long names like
(6DBA9DEN-7AOE-4C03-B60F-ADB1777C41D4).
Click each one of them, the right one will have lots of settings in it and you will see your machines IP address listed there somewhere.
Right-click in the right hand pane and add a new DWORD value, name it TcpAckFrequency, then right click the entry and click Modify and assign a value of 1.

2)In the regedit window ( called "Registry Editor") find (EDIT>FIND):
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSMQ\Parameters
Right-click in the right hand pane and add a new DWORD value, name it TCPNoDelay, then right click the entry and click Modify and assign a value of 1.
Click Ok and close the registry editor, then reboot your PC.