You may want to soak it longer, like 48 hours or longer. - you can also throw some quartered potatoes in to absorb the salt as well. I always forget about the potatoes. I've got one going now that I soaked for two and half days, changing water twice a day.
Thirdeye has some great tips at:
I think he's got the best starting point. His rub recipe is pretty darn good, and his
method is pretty damn near idiot proof.