Rubber or urethane trailing arm bushings?

[markeb01]

Please advise which you prefer for a street driven truck. It appears the urethane bushings are easier to install at home, but may be hard on components and have a tendency to squeak if not greased with the correct lubricant. The original style rubber bushings are noiseless and last for decades, but careless installation can damage the trailing arms. If you use urethane, what lubricant do you use, and do they need to be lubricated periodically? Thanks in advance.