The upcoming SE will be the NC-17 version according an interview with Troy Duffy in my University's newspaper. Here is a link to the article:

http://www.dailycollegian.com/vnews/...d?in_archive=1

Current edition is absolutely worth a purchase. Its only ten bucks, and you get director's commentary, deleted scenes, and animated scene selections (yes, its a useless feature, but I like it).