I'd get a couple of systems for $40K because I think that you can find really great used gear that sounds 90-95% as gear costing thousands more.
CAT SL1 preamp approx $3500,
Korneff 45 SET $1500
Omega's, Zu's or Klipsch $2000
Tandberg 3014 cassette: $2000
Tandberg 3001 tuner: $500
Rega 25 TT, Thorens TD125 mkII - $1500
Naim CDX cd player $1500
Silver IC's and speaker wire $500-750
TOTAL $13K
Motif MC7 $1200
Berning EA230: $1200
Threshold S/200: $1000
ProAc Response 2's: $1500
Classe DR3: $1500-2000
Music Reference RM9: $1500
Proceed PCD2: $600
Manley Stingray $2500
Cary 300B int $2500
ProAc Super Tablettes $750
Meitner MTR 101 monoblocks & PA6i pre: $2000
Revox B215 Cassette Deck $800
Mac MR71 $500
Sonic Frontiers Tube DAC $1400
Linn Sondek LP12: $2500
cj Premier 2 preamp: $2500
cj MV50 amp: $1000
TOTAL $23K
$4000 remaining - get server stuff, since I don't know anything about servers
Now, I've got a ton of gear to play around with that I could buy, sell and trade others and I'd be totally content with any of this stuff
CAT SL1 preamp approx $3500,
Korneff 45 SET $1500
Omega's, Zu's or Klipsch $2000
Tandberg 3014 cassette: $2000
Tandberg 3001 tuner: $500
Rega 25 TT, Thorens TD125 mkII - $1500
Naim CDX cd player $1500
Silver IC's and speaker wire $500-750
TOTAL $13K
Motif MC7 $1200
Berning EA230: $1200
Threshold S/200: $1000
ProAc Response 2's: $1500
Classe DR3: $1500-2000
Music Reference RM9: $1500
Proceed PCD2: $600
Manley Stingray $2500
Cary 300B int $2500
ProAc Super Tablettes $750
Meitner MTR 101 monoblocks & PA6i pre: $2000
Revox B215 Cassette Deck $800
Mac MR71 $500
Sonic Frontiers Tube DAC $1400
Linn Sondek LP12: $2500
cj Premier 2 preamp: $2500
cj MV50 amp: $1000
TOTAL $23K
$4000 remaining - get server stuff, since I don't know anything about servers
Now, I've got a ton of gear to play around with that I could buy, sell and trade others and I'd be totally content with any of this stuff