[Fulltiming]

The choice in those two (2003 and the 2005) is not non-IFS (Ridewell) vs the Dana IFS (Independent Front Suspension), that change took place back in 1996. Even the old non-IFS Ridewell suspension rides very nicely. The choice is between the IFS suspension and the ZF suspension with the active steering tag axle.

Either will ride nicely. The ZF suspension gives a much sharper turning circle.