Look in here under Registry Tweaks which is a little ways below where it says "Search Before starting a new thread"
http://forum.ppcgeeks.com/showthread.php?t=5091
Here's what I got when I did a search for "slow ringer"
http://forum.ppcgeeks.com/search.php?searchid=322012
Then when you open a thread if you go to the top right corner you can do a search within just that thread even if it is many pages long.
I had to set mine to 0 to get it to ring right away.
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