Getting "enough" computers into classrooms is always a challenge. We need to think about providing different levels of computing tools for different tasks. This flies in the face of standardization, but could be a way to let us reduce the resource contention for high-power machines, especially in the OHS labs.
Idea: Use ASUS EeePCs (or equivalent UMPC devices) for low-level use like word processing and web research in classrooms. If we can reduce the need for a classroom to use a lab of full-powered desktops for word processing, we can reduce the resource contention in labs. Look at English classrooms especially.
Unmanaged devices on a public-only wireless VLAN could mitigate security risks and minimize management burden, while providing the "cloud-based" tools everyone is starting to use.