The goal of the Condor project is to develop, implement, deploy, and evaluate mechanisms and policies that support High Throughput Computing (HTC) on large collections of distributively owned computing resources. http://www.cs.wisc.edu/condor/
Research in operating systems, networking, mobile computing, language design, compiler design, and architecture. Links to specific projects. http://www.pdos.lcs.mit.edu/
A large-scale multiprocessor that integrates both cache-coherent, distributed shared memory and user-level message-passing in a single integrated hardware framework. Papers available. http://www.cag.lcs.mit.edu/alewife/
The UC Berkeley Millennium project aims to develop and deploy a hierarchical campus-wide "cluster of clusters" to support advanced applications in scientific computing, simulation, and modelling. Millennium is a project of the Computer Science D http://now.cs.berkeley.edu/Millennium/
Argonne National Laboratory has recently established the Distributed Supercomputing Laboratory (DSL) within its Mathematics and Computer Science Division. The DSL is both a state-of-the-art experimental facility and a focal point for research and developm http://www-fp.mcs.anl.gov/dsl/index.html