RISC OS, the operating system of the original Arm computer, the Acorn Archimedes, is still very much alive — and doing relatively well for its age. The Register reports: In June 1987, Acorn launched the Archimedes A305 and A310, starting at $982 and running a new operating system called Arthur. At the time, it was a radical and very fast computer. In his review (PDF) for Personal Computer World, Dick Pountain memorably said: “It loads huge programs with a faint burping noise, in the time it takes to blink an eye.” Arthur was loosely related to Acorn’s earlier MOS, the BBC Micro operating system but looked very different thanks to a prototype graphical desktop, implemented in BBC BASIC, that could charitably be called “technicolor.” Renamed RISC OS, version 2 followed in 1989 — the same year that Sun started selling its new SPARCstation 1 (a snip at $9,200) and DEC