Check again that is fix #3 not the .limewire fix. Set your bandwith to 43KB/s if you are going to be on the net.
T1 and T3 are very fast speeds and setting your bandwith to T1 will slow you down even more the minimum upload on T1 is around 200KB/s I think.
The link below will help explain T1 and T3.
http://en.wikipedia.org/wiki/Digital_Signal_1 http://en.wikipedia.org/wiki/T-carrier