Your typical school computer is probably not a machine you'd like to use on a daily basis -- perennially behind the curve in terms of technology, since educators can't afford smokin' hot video cards and primo processors year after year. Budgets and the resulting reluctance inevitably lead to stale hardware which then goes obsolete but a tiny startup called Neverware thinks it can end the cycle of woe with virtualization technology. Its single product, the Juicebox a100, can serve up one hundred Windows 7 virtual desktops to existing hardware, pretty much regardless of its age -- all computers need is a working LAN jack, a 500MHz processor and 128MB of memory, so schools cou