Adam Savage and Jamie Hyneman had jobs to envy. They had access to some incredible tools and equipment. They got to experiment. They had their own popular TV show. And they had fun. It's sad that it all has to come to an end, but all things do.
The good news is that fans will get one more season. I can't wait.
Source: Mythbusters to end with final season. Excerpt:
For the final season, I know you’re blowing up a cement truck with 10,000 pounds of ANFO, and crushing a 60-ton train tanker with steam implosion …
SAVAGE: When we construct the final season list of stories, our guiding principle was what are the iconic categories that fans of Mythbusters that should not be ignored in the final season. We really tried to address each one of those. The series finale is pretty amazing. I wanted Jamie and I to wake up to Suzanne Pleshette afterwards, but we did find a way to say goodbye.
P.S. Their new website, tested.com, looks interesting.