Here are a few links to organisation with related interest.
- Molecular Graphics and Modelling Society (MGMS)
- RSC Chemical Information and Computer Applications Group
- GDCh division Chemistry-Information-Computer (CIC)
- chemometrics.se
- The Cheminformatics and QSAR Society
There are several excellent places on the net where interesting meetings are listed:
Also check out QSAR World, for general information about QSAR.