The last couple of months issues of OFF ROAD magazine have pretty good articles on linked suspension design. If you are considering a link suspension it would be well worth the cost to pick up these issues. They do a pretty good job of laying the different types of link designs out there.

1987 trooper LS.'94 3.2, SAS,35's , lots of dents and rust. Now, improved, with more dents.
1995 trooper LS. Wife won't let me improve this one.
1996 trooper. I'll need something to modify when the '87 finally rusts away.