It's Really Up To You
The shocks have cycled at least 100 million times in that many miles. Given your description of condition you might just default to the suggested regular maintenance replacement recommended for oem quality shocks, which is at 50,000 miles. Leave the coils alone unless you don't like the riding ht., or if investigating why one side (or end) is setting different than the other.
\'96SS SOB: SSRI, Herter Tune, Tri-Y II, , 3000 Edge, F/HO bars, METCO extendeds with CV MMC, Bilsteins, currently Vredestein Ultrac Sessanta (315/35 rear). Finally, wait for it... LT-4 knock module!
\'96FWB BUW-Butt Ugly White: PCMPerformance tune, HDFA w/ swissed filter, 1/2 SLP s.s. catback with H- and Flow Super 50s, oem opti rebuilt 3 times, SS Bars, METCO LCA, Airlift 1000, Monroe SS, PowerTrax No-Slip, CTS wheels with +1 rubber. Finally, yes again... LT-4 knock module!