A paper describing the Organic simulation and its use in the classroom was recently published in the Journal of Chemical Education.  In addition to a desription of the software, the results from an in-depth assessment and evaluation of over a 1000 student users are also described.
A reprint of the paper can be downloaded by clicking on Downloads in the Help Menu or by clicking on the link below.
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 B.F. Woodfield, M.B. Andrus, T. Andersen, J. Miller, B. Simons, R. Stanger, G.L. Waddoups, M.S. Moore, R. Swan, R. Allen, and G. Bodily, "The Virtual ChemLab Project: A Realistic and Sophisticated Simulation of Organic Synthesis and Organic Qualitative Analysis." J. Chem. Ed. 82, 1728-1735 (2005).