There are a number of comprehensive conference listings available. Some of the best are as follows:
Conference Alerts (all subjects)
Other useful links
'RareBit Interactive' (Games research within CAIR)
University of Plymouth Centre for Information Security and Network Research (CISNR)
Link to Research Tips from Richard Hamming (of Hamming Code fame) - what the textbooks don't tell you!
Not so useful links
David Lodge's 'Small World' (1984)