Astrogrid is a project aimed at building a data-grid for UK astronomy, which will form the UK contribution to a global Virtual Observatory.
The Astrophysical Virtual Observatory (AVO) Project is a Phase-A, three year study for the design and implementation of a virtual observatory for European astronomy.
The first light AVO demo can be found here.
COBRA is a high performance cluster of computers at JBO which can be put to many uses including research in the above projects.