Updating a Dropped Ceiling

I'm renovating a 1979 fixer upper and have a dropped ceiling in the downstairs den. The tiles are probably original and I will eventually replace them with something. Has anyone updated these with another material besides the white tiles & is there anything to do to make this sort of ceiling look better? The tiles now are a little saggy, so I'm sure I'll replace them with new when I can, but thought some of you may have some other ideas? Thanks!
q updating a dropped ceiling, home maintenance repairs, tiling
  24 answers
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