Did you see this thread:
http://www.gnutellaforums.com/showth...threadid=30561
How many incomplete files do you have? Do you ever resume files? If you use the Resume button of a large no. of files it will cause your files to be queued for much, much greater periods of time & can also affect lw's connectivity quality.
Also not using bowsers & especially other heavy bandwidth apps such as other p2p apps or chat apps. which use up both bandwidth & processing power.
How much ram do you have? OS 10.3.6 is full of bugs. Did you notice the change before or after updating to 10.3.6? Do you think it might be related?
What modem & router do you use? Do this test:
Bug Report instructions & sample image Is it True/False? I don't suppose you go thru Comcast?
Go to this site & tell me what it says underneath the red box & inside the grey box: what does it say about NAT?:
http://www.u.arizona.edu/~trw/games/nat_or_not.php