As for NOES5, this is listed on IMDB -
Unrated video version features about a minute of extra gore that was cut from the R-rated theatrical release. Scenes that were cut in the R-rated version: when the girl is force fed her own guts, and when the motorcycle "fuses" with the rider's body.
The DVD version of the film is the theatrical release, rated R, and isn't uncensored like the VHS release.
This would be worth a DVD if the cut stuff is worth it. Is it?
NeilB