The Sega Dreamcast was/is the last system that Sega released. If I remember right, the Dreamcast is a 128bit system. The Dreamcast system also came out in black (Sports edition) which both versions are cool! The dreamcast was ahead of it's time in my opinion. Sega implemented the 4 player ports built into the console, like N64. Sega also did something that Nintendo eventually became known for. Which is making a controller that seemed/seems gimmickey. The controller has a hollowed out mid-section, which has a port for for a memory car. The N64 had already had the memory card slot in their controller. However, the Sega Dreamcast controller had a open space, which would allow gamers to use a special memory card (VMU card). The special memory card had a screen & buttons on it. Which would allow you to see things on the screen that wouldn't not appear on your TV screen. For example, if you we're playing NBA 2K, and you slam dunked....The screen would have a animated reaction to the dunk! The screen would also show you your in game stats,ect... It was a very cool idea. The Dreamcast is not a HD system. It has the RF and AV capabilities. However, a cool thing with Dreamcast is that there is a device (VGA box) that allows you to hook up the Dreamcast to it, & then the VGA box to your LCD/plasma TV's & it comes in super sharp! You have to buy the VGA box seperately & most to my knowledge are not Sega brand. I recommend getting itto play Dreamcast on the current TV's! The Sega Dreamcast had many awesome titles to play. Some of the best games for this system are: