I think in time the reaction to Roman the night after WM 33 will be added to a greatest reaction list.
A bunch of ECW moments could go on this list. Sadly, I don't think the original footage is easy to obtain.
Lawler invades the ECW arena
Other things like:
Cornette invading at the next ECW arena show the next month.
Sabu being in the ring with Taz when the lights come up at November to Remember 1995.
Rick Rude turning on Sandman and Dreamer
Bam Bam winning the world title.
The promo from Heyman with the announcement of the first PPV.