This is a new 5 volume set on evidence, not the 5th ed. of Wigmore, which takes an entirely new approach to the subject matter. Available through Westlaw.
Courtroom Criminal Evidence by Lederer, Frederic
Available through LexisNexis.
Handbook of Federal Evidence by Graham, Michael
Available through Westlaw.
Electronic Discovery: Law and Practice by Cohen, Adam
Available through Westlaw.
Weinstein's Federal Evidence: Discovering and Admitting Computer Based Evidence