Experimental control using a PC--good technical information about millisecond timing, I/O issues etc, by Chris Rorden, University of Nottingham.
Experimental Timing Standards Laboratory. The Experimental Timing Standards Laboratory (ETSL) Project is funded by the UK Engineering and Physical Sciences Research Council (EPSRC) to establish a sound basis for testing the timing characteristics of software tools used in studies of human performance.
DMDX Display Software--a Win 32-based display system used in psychological laboratories around the world to measure reaction times to visual and auditory stimuli. It was programmed by Jonathan Forster at the University of Arizona.
Psych Web: Lots of useful links to all kinds of things psychological
Research & Publication Manager. This appears to be a pretty good engine for searching Medline. After you've constructed your search, you can have RP Manager e-mail whenever new articles appear that fit your search criteria. (Note a lot of articles related to perception & cognition are beginning to show up in the Medline database.)