C|Net News.com hosts two interesting articles about
Danger, the company behind the HipTop handheld device which is a combination of wireless web-aware applications, PDA and a phone. The operating system for the device has been written from scratch (the kernel is the work of a team of ex-Be engineers, including Travis Geiselbrecht, who also brought us
NewOS) while it also runs a Java VM. First article can be found
here, and interview with Danger's Rubin and Britt is
here.