I don't know "Festival" and Demus (LP only?). I quite like the Gould/Juilliard, they are especially brilliant in the finale, maybe somewhat prosaic elswhere and Gould is Gould even when he behaves reasonably well.
Florestan is also very good in a less quirky way. For a modern recording their two discs with Trio, Fantasy pieces op.88 and piano quartet are probably the best bet.
Argerich and friends (not sure if there might be several different ones?) is more romantic than either. I probably have another couple of recordings (e.g. Fauré quartet) but would have to re-listen to them.
The op.88 shows another innovative feature of Schumann, namely that he wrote quite a bit of chamber music in the freer poetic forms he preferred for piano music. Not many composers before the 20th century followed with similar chamber miniatures. (There is a little Bruch for clarinet and/or viola and a fascinating cycle "Schilflieder" op. 28 ("Reed songs", the pun does not work in German, though, as the oboe's reed is called "Rohr") for oboe, viola and piano by August Klughardt.)
Another gem is Kirchner's arrangement of the op.56 pedal piano pieces for trio, sometimes included as filler (e.g in the Altenberg Trio recording). The op.56 are wonderful in any form, maybe the most poetic pieces in the "Schumann inspired by Bach" vein.