Try downlding an audio or video file from the magnet site
http://www.magnetmix.com/video.shtml & tell us what happens re: connecting & speeds.
Who is your ISP?
Do you see a brick wall in front of the blue world icon at the bottom of LW's interface? Sample image:
http://www.gnutellaforums.com/attach...1&d=1162908502
Which OSX version are you running?