Hi,
TL 2008 has a problem with gmutils conflicting with \nocite.
I contacted the author, and now the version of gmutils from CTAN seems
to fix this.
The bug can be reproduced at my end by importing gmverb after natbib
then issuing \notcite{*}.
--
Best Regards
Edd
http://students.dec.bournemouth.ac.uk/ebarrett