Previously I am using Ubuntu 7.04 + Deluge 0.5.8.4 in my old PC, the download speed can reach around 100kbps (consider fast in Malaysia) in total downloads.
Due to I dont have more space for my old rig, i decided to consolidate the hard disks to my new rig.
In my new rig, I was using latest Ubuntu 8.04.1 + latest Deluge 1.0 RC. The download speed is suck. Even I have copied my old rig deluge setting, I cant even get more than 20kbps in total downloads.
I have keep trying with different version of deluge, but still slow.

Since i am not sure the problem is deluge or OS, I have tried to format and installed older version of ubuntu and get the same deluge version as my old rig, which is Ubuntu 7.10 + Ubuntu 0.5.8.4. Immediately, I got the good download speed as my old rig.

Below is my current Deluge Setting:

