Hi Chris, thanks a lot for your great and detailed email. We have come to almost the same conclusions, in particular to > o life science clusters tend to be used to bulk process many totally > independent "embarrassingly parallel" jobs > o little if any use of parallel applications for sequence analysis Hence, I would like to ask the following provocative question to you and the list: What is the advantage of a beowulf cluster over, say, a network of workstations on which PBS (or any other batch system) is running? Ivo