What are the relative advantages of using ipython, pyshell, and pycrust? I'm interested in opinions from those who've used them enough to develop a preference. Rich -- Richard B. Shepard, Ph.D. | The Environmental Permitting Applied Ecosystem Services, Inc. | Accelerator(TM) <http://www.appl-ecosys.com> Voice: 503-667-4517 Fax: 503-667-8863