People talk about the "Main Event Style" as being the transition from restholds as time filler to kicky/punchy as filler
The other day though, after watching the match cited as the initial ME Style match (Austin-Foley OTE '98, on the Mick Foley DVD *cheap plug*) I think the change to "ME style" was in fact the change from straightfoward wrestling-to-a-finish matches to multiple ref-bumps, run-ins and/or weapon shots to a finish (which, again, could be cited to that match)