Have a look through this thread (mainly the first few posts by murasame) for tips.
Configuring LW for best performance
You can do a speed test to work out your speed here. Only have your browser open when you test your speed.
http://www.speedtest.net/

You might find that you have problems with HughesNet (sorry, but a few people have)...check out the thread below

http://www.gnutellaforums.com/showth...ight=Hughesnet