I had the foresight to see what was coming and made a giant archive of the top 1000 posts. It took me hours, but I got there in the end.

T_D top 1000 all time (classic/old Reddit format) - (top 50 posts have comment sections archived)

1-25: http://archive.is/vNkL8

26-50: https://archive.is/NPi2h

51-75: https://archive.is/0VwgL

76-100: https://archive.is/l5tyZ

101-125: https://archive.is/Ih5RU

126-150: https://archive.is/qZ3x6

151-175: https://archive.is/h3jjQ

176-200: https://archive.is/A7WAG

201-225: https://archive.is/vBUsR

226-250: https://archive.is/gpcar

251-275: https://archive.is/cYt30

276-300: https://archive.is/5m7UN

301-325: https://archive.is/M2qAi

326-350: https://archive.is/LG2vf

351-375: https://archive.is/L8fne

376-400: https://archive.is/tNx2J

401-425: https://archive.is/Dbu8Y

426-450: https://archive.is/Mzsfd

451-475: https://archive.is/hp5H2

476-500: https://archive.is/X2JmQ

501-525: https://archive.is/Ky45g

526-550: https://archive.is/0vJj1

551-575: https://archive.is/3DIl6

576-600: https://archive.is/8Q1pz

601-625: https://archive.is/1fFgm

626-650: https://archive.is/5qji8

651-675: https://archive.is/8yild

676-700: https://archive.is/BjBME

701-725: https://archive.is/rCVB3

726-750: https://archive.is/uKUD8

751-775: https://archive.is/j1zsQ

776-800: https://archive.is/cqdjD

801-825: https://archive.is/3Mb9J

826-850: https://archive.is/HgQMs

851-875: https://archive.is/KoPOx

876-900: https://archive.is/zFuDf

901-925: https://archive.is/oV9rX

926-950: https://archive.is/e3sxx

951-975: https://archive.is/kgLA0

976-1000: https://archive.is/qwJFa