A disc that contains a saved replay that can be transferred onto your memory card and watched in Gran Turismo 3's Replay Theater mode. I assume that the replay (or replays) highlight the Autobacs Toyota 2000 Apex MR-S GT car - "assume" that is, because my PS2 no longer reads CDs :(
UPDATE: It's not a saved replay after all - it's a rolling demo.
Windows versions of Megadrive games Gunstar Heroes, Bare Knuckle 2 (Streets of Rage 2) and The Super Shinobi II (Shinobi III: Return of the Ninja Master) by Sega. They are basically ROMs embedded inside a Sega-authored MD emulator. A bit disappointing as I was hoping for a true PC conversion. As far as the emulation goes, I didn't notice anything wonky. There's a graphics-smoothing option and it has support for save-states, but any MD emulator available on the Net has far more functionality.
This is one of Uniqlo's t-shirts from their Pac-Man 30th Anniversary collection. The design isn't that great, but I bought it because there's a screenshot of Pac-Man's kill screen on the front. 
I picked up Devilish on the DS having mistakened it for Devil Crush.
Suffice to say, I was very disappointed. I got it effectively for free (using my points card and it was only 500 yen), but I've learned my lesson - read the box properly next time!
I couldn't afford the special edition Kingdom Hearts 358/2 Days DSi, so I bought the Hori protective case instead. Note that the correct way to pronounce it is "Kingdom Hearts Three-Five-Eight Days Over Two" - which still doesn't make any sense. Got the Gyakuten Kenji strap from a gashapon machine for 200 yen.
Buy Kingdom Hearts 358/2 Days at Play-Asia!
This DVD-Video edits the gameplay and cutscenes from Shin Onimusha Dawn of Dreams (AKA Onimusha 4) together into a 2-hour film. The disc contains the film, additional trailers and selections from the soundtrack. The bonus disc is a PS2 CD containing one maxed-out save file for the game. At 311KB, an entire disc for just a save file seems like such a waste. Capcom make a habit out of making these machinima game-films, with Okami, Resident Evil 4 and others also available. No English, unfortunately.
You can buy it from Play-Asia!
Seaman 2 for PS2 has a custom controller that comes with a built-in mic - the rather long thing in the middle of it. I picked this up from a junk bin for 315 yen ($4) because it was USB and thus XP compatible. I'd been looking for a controller with a three-buttons-across layout suitable for my Megadrive/Saturn emulation needs and this controller works smashingly. You can remove the mic as well to make it less phallic.
