Some of the Prequel Edits that interested me (back in the day - or more in the present time) for whatever long forgotten reason(s) reason were/are:-

JasonN Edits - http://originaltrilogy.com/topic/JasonNs-PT-FanEdits-Attack-of-the-Federation-Twilight-of-the-Republic-and-The-Black-Knight-Rises-Revised-V3-Cuts-In-The-Works/id/10114

MagnoliaFan Edits - http://originaltrilogy.com/topic/Magnoliafan-Edits-Balance-and-Clone-War/id/987

ADigitalMan Edits - http://originaltrilogy.com/topic/The-ADigitalMan-Special-Editions-DVD-Info-and-Feedback-Thread/id/2446/page/1

Hal9000 Edits - http://originaltrilogy.com/topic/Star-Wars-Episode-I-Cloak-Of-Deception-Finished/id/15663

Q2 Edits - http://originaltrilogy.com/topic/The-Fall-of-the-Jedi-Trilogy/id/13959

L8wrtr’s Edits - http://originaltrilogy.com/topic/SW-EP-1-Shadow-of-the-Sith-by-L8wrtr/id/11778

TM2YC Edits - http://fanedit.org/ifdb/component/content/article/79-fanedit-listings/fanfix/906-star-wars-episode-i-the-phantom-menace-reborn

Father Merrin Edits - http://www.fanedit.org/ifdb/component/content/article/79-fanedit-listings/fanfix/160-star-wars-episode-one-child-of-the-force

TVFrink’s Edits - http://originaltrilogy.com/topic/Episode-I-The-Ridiculous-Menace-FULL-MOVIE-IS-AVAILABLE-TO-STREAM-SEE-FIRST-POST/id/12452

^ and that’s not listing the various ‘3-in-1’ Edits out there, or all the Prequel Edits I’ve obviously just missed down the years… (Kerr, Slumberland, Seciors, MrInsaneA, SithLord, Kwan, PhantomEditor, Bear Edit, etc)