The large, incredibly readable font on the Pre is part of why we said the OS was so usable in our review, but we just thought it was a nice choice of fonts; we didn’t know Palm commissioned it themselves.
The company responsible for the font—Font Bureau—makes custom designs for “publications and corporations”. This particular one is called Prelude, and has a similar sibling that Palm uses for the ads.
And if you’re really a font fan, you’ll want to check out that font fight video we posted a while back. [Typophile via Engadget]