We decided to review the above paper as our April review for F1000. This article is interesting because it is an elegant experimental test of Darwin's ‘Naturalization hypothesis’: a theory about the role of interspecific competition in invasion success.
Mark Lonsdale: Faculty of 1000 Biology, 19 Apr 2010 http://f1000biology.com/article/id/2902956/evaluation
 Hill, S.B. and Kotanen, P.M. (2009) Evidence that phylogenetically novel non-indigenous plants experience less herbivory Oecologia 161:3 pp 581-590
 Thuiller, W., Gallien, L., Boulangeat, I., de Bello, F., Münkemüller, T., Roquet, C. and Lavergne, S. (2010) Resolving Darwin's naturalization conundrum: a quest for evidence Diversity and Distributions Early View online DOI: 10.1111/j.1472-4642.2010.00645.x