MkLinux , an implementation of Linux based on the Mach MicroKernel , available for PowerPC and, now, HP-PA . I've been using it for months now, and it's quite stable. If Apple had known what to do with it, OpenDoc could have been a contender. The BeOS , a completely new operating system, designed to reclaim the performance your operating system wastes on your hard-earned hardware. Inc. has decided to port to the Wintel platform as well.
Literate programming is the synthesis of documentation and coding.
PowerPC Platform . I used to say I was a believer in the Apple Macintosh , even in spite of the recent hoopla. Unfortunately, Apple killed the clone market just as it was starting to provide viable alternatives to the Wintel platform. For a somewhat dated, but interesting, unbiased performance benchmark of Intel Pentium and PowerPC processors, see this net article . ELP , Yes, King Crimson , UK , Genesis , Rush, Kansas , the Dixie Dregs, and Jean-Luc Ponty , to name a few.