I've acquired two Sculpt Keyboards recently (home & work) and the numpads have remained in their respective boxes. Having the mouse closer is definitely more comfortable.

> Say what you will about Microsoft, but their input devices are quite nice.

I have a lot to say about Microsoft, but I've been a satisfied customer of their ergonomic keyboards for most of 10+ years: they're comfortable, functional, affordable and easy to find-- the latter two factors important for inevitable beverage spills...