Ask HN: What is the best ergonomic keyboard/mouse combo?

Mostly this question is about the keyboard, as I already have some opinions about ergonomic pointing devices. After years of using cheap keyboards, I'm ready to invest in something that will be nicer on my hands. I see that there are plenty of ergonomic keyboards on the market with a variety of designs and ranging anywhere from thirty to hundreds of US dollars. Some of the models from Kinesis look really nice, but I'm interested in opinions about others as well.

As for pointing devices, I've used this trackball in the past, and really liked it: http://www.amazon.com/dp/B0043T7FXE More recently I've tried this one and found that I didn't like the lack of a scroll wheel: www.amazon.com/Logitech-910-000806-Trackman-Marble-Mouse/dp/B001F42MKG

Even with such opinions, it would still be helpful to know what other options people have tried.