Same here, that was my favourite room in the whole exhibition.
I'm now tracking down the best digital masters to use in my marathon listening session, hahahah (NERD ALERT). For the Deram era, the 2010 deluxe David Bowie 2-CD version works fine, both for the main album and bonus tracks. It's also available on most streaming services. If you want the 1966 Pye singles or earlier stuff, just about any digital version will do.
For Space Oddity, all the bonus tracks are present on Re:Call1 from the Five Years box set, but for the main album I think RCA's Japan-made CD released for North America in the 1980s sounds better than the 2015 remaster (which suffers from drop-outs that seem to have been poorly patched with digital repairs, resulting in unnecessary noise). The Japan-for-USA CD has the catalogue number PCD1-4813, and these are the peak volume values when you rip the CD in Exact Audio Copy: 69.3 / 73.6 / 44.4 / 85.8 / 85.0 / 57.7 / 64.4 / 50.8 / 80.9 ...on this version, however, the fragment "(Don't Sit Down)" is missing, which is accurate to the 1972 RCA American edition of the album (this CD also uses that '72 alternate album cover shot for the booklet artwork). The fade-out at the end of the title track also ends kind of abruptly, too, so I made a repaired version of the disc for my own listening that reinstates those missing bits from later CD versions — hopefully with more finesse than the 2015 edition uses.