now i have a good pc and stil some times i had lag and also my internet is good i folowed this guide and it really helped me Windows 7, (Disable) Nagle?s Algorithm, and gaming? ? ://rideekulo.us in reg edit u need to add this value TcpAckFrequency change it to 1 add this value also TCPNoDelay change it to 1 then reboot your pc you wil notice you wil login faster to wow and evrything is smooth. i had fps drops with zygor guide while i have a video card of 300 euro and a good CPU etc. and now evrything is fine if you have windows 7 32bit change it to DWORD for windows 7 64bit to QWORD
I'm the author of this blog post and I got this 'trackback' notification. After reading your post, I wanted to clarify that you enter a DWORD value for both 32-bit and 64-bit versions. The video that I filmed this on is a Win 7 64-bit machine, and DWORD values were used.