I got tired of waiting for IBM to lay me off due to my age, so I decided to leave on my own. I am 55 and I managed to find a new job relatively quickly. Pay is slightly lower, but benefits are better and from what I can see, work environment is ten times better.
My point is - it's not as bad out there as some would like us to think. If nothing else, update your resume and send out a few feelers. It can't hurt and it can end up changing your life.