The content of this review has been double-checked with the producers of the packages.  For their courtesy and for the competent, informative support, special thanks to:

•    Donna Kirking, Becky Larson, Ceryl Rodriguez, Geoffrey Jackson (all from Thomson ResearchSoft)
•    Dave Goldman (Research Software Design) 
•    Harry Hahne (Balboa Software) 
•    Jonathan D. Ashwell (Sonny Software)
•    Paul Chen (CGI Information)  
•    Nick Barber, Christine Capen and Stephanie Faulkner  (RefWorks)