I browse eBay a lot for random job lots that are low on auction time and price alike. I just, for £70, got a chipped PlayStation 1 with two controllers, two memory cards, all the PS1 original manuals (and Demo 1, which is awesome)... and the following Japanese PS1 games:
Alundra 2
Arc the Lad III
Biohazard Director's Cut (Resident Evil)
Biohazard 2 DualShock Ver.
Biohazard 3 Last Escape
Black/Matrix+
Bloody Roar
Bloody Roar 2: Bringer of the New Age
Bomberman World
Brave Fencer Musashiden (x2, different boxart on each)
Brave Prove
Brave Saga
Bushido Blade 2
Captain Commando
Castlevania: Symphony of the Night
Chrono Cross
Chrono Trigger
Chocobo No Fushigina Dungeon
Command & Conquer Red Alert 2
Complete Graphics
Crisis Beat
Cyber Org
Dance Dance Revolution 2nd Remix
Dance Dance Revolution 2nd Remix Vol 1
Darius
Dead or Alive
Dewprism
Dino Crisis
Dino Crisis 2
Dragon Quest 2
Ehrgeiz
Fifa 99
Fighting Force
Final Fantasy V
Final Fantasy VIII (x2, though one's only one disc)
Final Fantasy IX
Get In The Tomorrow
GETTER ROBOT the BIG BATTLE!
Gran Turismo
Gran Turismo 2
Gundam The Battle Master 2
Hokutonoken Seikimatsukyuseisyudensetsu (dead serious)
Houshinengi
J.League 1999
Kagero
Kiganjo
The King of Fighters '97
The King of Fighters '98
The King of Fighters '99
The King of Fighters KYO
Koudelka
The Legend of Dragoon
Legend of Mana
Lunar Silver Star Story
Macross Digital Mission VF-X
Macross VF-X 2
Marvel vs Capcom Clash of Super Heroes EX Edition
Metal Gear Solid
Metal Slug: Super Vehicle-001
Mobile Suit Gundam: Char's Counterattack
Mobile Suit Gundam: Perfect One Year War
Mobile Suit Gundam: Version 2.0
Mobile Suit Z-Gundam
Mortal Kombat 4
OverBlood 2
Panzer Warfare
Parasite Eve
Parasite Eve II
Pocket Fighter
Pop 'n Tanks!
Puzzle Bobble 4
Racing Lagoon: High Speed Driving RPG
Real Bout Special: Dominated Mind
Real Robot Battle Line
Real Robots Final Attack
Ridge Racer Type 4
Road Rash 3-D
Rockman X-4 (Megaman)
Rockman X-5
Runabout-2
Saga Frontier
Saga Frontier II
Samurai Shodown Special
Samurai Shodown Warrior's Rage
SD Gundam G-Generation
SD Gundam G-Generation Zero
SD Hero Fighter
Shiritsu Justice Gakuen Nekketsu Seisyun Nikki (assumed, same Kanji as sequel but without the 2 or the English...)
Shiritsu Justice Gakuen Nekketsu Seisyun Nikki 2
Silent Hill
Sin SD Sengokuden Kidoumushataisen
Sol Divide
Soukaigi
Star Ocean: The Second Story
Street Fighter Collection
Street Fighter EX-2 Plus
The Super Dimension Fortress Macross: Do You Remember Love.
Super Robot Wars Alpha
Super Robot Wars Complete Box
Super Robot Wars F (x2)
Super Robot Wars F Final
Tales of Destiny
Tales of Eternia
Tekken III
Tenchu
Tobal 2
UEFA Champion's League Season 1998/99
Valkyrie Profile
Wild Arms 2nd Ignition
Winning Eleven 2000 (either ISS or Pro Evolution Soccer)
X-Men vs Street Fighter Ex Edition
Xenogears
Zill O'll
??? (Super Robot Wars game)
???
??? (I imagine it's Japanese letters not Latin numerals but it looks like 335 something)
??? It's something to do with The King of Fighters)
??? Something II
...as well as two GameWeekly demo discs and a few unlabelled VCDs (I think) I'll be testing later.