I know nothing of shocks and suspension for trucks so I am looking for a little back ground info.

The wife is all about the smooth ride and sometimes I am as well for long trips.

What is going to be the bigger back for my truck shocks or springs?

If money was not a factor what are the best shocks, suspension, springs (coil or leaf) that would give you the "Cadillac" ride with the durability for an 2002 F150 SuperCrew FX?

What is typical durability (normal wear and tear usage) for a suspension system?

Thanks.