As one of its daily deals, CowBoom offers the used PlayStation 3 250GB Console, model no. CECH-4201B, for $99.99 plus $5 for shipping. That's tied with our February mention (which included a controller) as the lowest total price we've ever seen. (It's currently $144 under a new unit.) Units include a console, power cord, and AV cable. Note that it doesn't include a controller, USB cable, or manual. Deal ends today.
Note: No warranty information is provided. Also, these are used items and may have scuffs, surface scratches, dents, or other cosmetic blemishes, and may be missing parts/accessories.