Saber blocks Lightning, but you can move people around with Lightning too. Remember Dooku lightning Anakin and slam him into the wall?
Lightning vs. Lightning should cancel each other...in the Dooku vs. Yoda fight
Alliance of the Jedi (AOJ)
ZoneFriend = AOJ_SaberPro
"The Force is with you young Skywalker...but you are not a Jedi yet!" - Darth Vader