I once made a trade on a comic message board I used to frequent before it became a ghost town. 20 or so X-Men comics for a fully-working PS2 with a few PS2 and PS1 games, memory cards, DVD controller, and all the hook-ups. (This was back when PS2 was still current). One of the games being Final Fantasy VII. And the comics I traded weren't old issues, just some common 90s issues.
Another time I came across a working Commodore 64 at Goodwill for $18, and came with a huge case of floppy disks of games (I did have to hunt down a power cord and floppy drive, though). Unfortunately it only worked for a few months before it died on me. But for $18, a few months of C64 is still a great deal!
Or getting an XBox 360, that I still have and use, from a local modder-guy for $100 back when they were still selling for $200 for the base model. I got a 20 GB hard drive, a wired official controller, hook-ups, a couple games, and a ridiculously long network wire with it. It wasn't modded, though, because I wanted my XBox Live Account. I went to him to mod my original Xbox, initially. I wanted it to play my PS1 and Dreamcast discs, because I was in a limited space at the time.
I also got a Pong unit, called The Wonder Wizard for about $30. Worked fine. It was the later model that had like 4 different game modes, not the original Wonder Wizard.
...well, it worked fine until my wife played a game with me, she pushed the serve button, and "CRACK!". The connection to the button broke. I have it all ghetto-rigged with some twist-ties to hold it together inside the controller, now. It works, and you can't see it since it's inside the controller.
