I still have my Genesis 1, which I got for Christmas for the year it came out (the original one that came with Altered Beast as a pack-in). Everything on it still works too (volume control, headphone jack, etc). I've spent countless hours playing the likes of Thunder Force IV, Sonic the Hedgehog, Ristar, Herzog Zwei, Ghouls 'N Ghosts, along with the many other fun filled simulators, racing games, shmups, RPGs, hack 'n slashes, and platformers the system has. Add on the fact that over the last few years, I've been able to play imports on it, and it's safe to say my old system has really seen a lot of use... and still does to this day. It's a great older system with a lot to offer.
It may be a day late, but...