There are 2 types that I know of:
(1) The N64 version which used polygons.
(2) The PC/ PSX (CD based) versions which used Full Motion Video.
The PC/ other versions were ok (though the FMV did appear a bit fuzzy on my PC) it was just a bit boring.
I found the N64 version to be more entertaining in a comical kind of way - the polygons moved in a funny way and Jareks ending was hilarious when he did the humming

after he knocked one of the players down a cliff (can't remember if the humming was in the CD based versions).
For the N64, the voices coupled with the design and movement of the characters' polygons was just so funny that I loved it.
If you've seen both, which do you prefer?
Also is there any place on the net to download the N64 endings?