I’ve made the paper available as a Cognitive Science Research Paper through the University of Sussex:
Froese, T., Virgo, N. & Izquierdo, E. (2007), “Autonomy: a review and a reappraisal”, in: F. Almeida e Costa et al. (eds.), Proc. of the 9th Euro. Conf. on Artificial Life, Berlin, Germany: Springer Verlag, in press
The paper can be downloaded here.