Advice on covering basement floor?

[deckeda]

We painted ours because we couldn't afford anything else. I think it's paint for cement floors? Wasn't a big deal to dry. Filled in a few minor cracks with that quick-sealer stuff (and it's held).

But I want to actually use the basement. It's got finished walls and ceiling now. Maybe cork? Berber? No leaks in 13+ years if you don't count the time the A/C coil fell apart.