While looking for a fix for a latency problem Veshi had a couple of months ago. I found this page which has help me drop my latency by70-150ms. So at last i thought i should share it with you guys and girls.
http://www.wowinterface.com/downloads/info13581-LeatrixLatencyFix.html
http://www.wowinterface.com/downloads/info13581-LeatrixLatencyFix.html