http://www.penzar.com/
provides Spice specific schematic entry, the ability to define and save an unlimited number of analyses, integrated graphing of simulation results plus easy inclusion of Spice and PSpice subcircuits from a user expandable library.
http://www.5spice.com/
Electronic Circuit Design and Simulation Software
http://www.islandlogix.com/
SPICE-IT! for Windows, WYSIWYG schematic editor and mixed-mode Spice-compatible simulation system
http://www.cadmigos.com/
http://www.seas.upenn.edu/~jan/spice/spice.overview.html
Search for PSpice models by part name, type, description, or vendor/manufacturer.
http://www.orcadpcb.com/pspice/models.asp?bc=F
circuit simulator developed as a supplement to the PSpice program
http://www.ecs.dtu.dk/optima.htm
A brief overview with graphics.
http://denethor.wlu.ca/pc300/PSpice/pspice_tutorial.html