The keyboard that I have used for almost 20 years broke today, and I'm a bit sad. After using an ergonomic keyboard for so long, it will take some time to get used to using a straight keyboard again.
I looked at possibly getting another Microsoft Natural, but they just do not seem to make them as good as the old 4000 series after reading the reviews.
I'm currently using a Logitech wireless keyboard that I keep in my server room until my new Corsair mechanical keyboard arrives sometime at the beginning of next month. Let's see how well I adjust to using it...