A nifty little web-based applet for comparing the topology of two phylogenies and identifying where the differences lie. Could be useful in the future. Works for me on a G5 with Firefox. The paper referring to it is:
Nye, T. M. W., Lio, P. & Gilks, W. R. (2006) A novel algorithm and web-based tool for comparing two alternative phylogenetic trees. Bioinformatics, 22: 117-119.
for ref