Those numbers aren’t necessarily anything to worry about. It’s just like the miles on a car. We tend to think of 200,000 miles as about the limit for a car nowadays, but there are lots of cars that go way over that. I know of a minivan that has nearly 300,000 right now, and it’s still running strong!
If your camera is still working fine, don’t worry about the number of shutter actuations. You might want to keep an eye out for good deals, certainly, and upgrade if there’s a compelling deal, but don’t upgrade merely because the “mileage” is high. I’ve never had a camera long enough to find out what happens at 100,000 clicks, but I don’t think it will explode or anything. 🙂