Just how awful is Battlefield Earth?

I've never seen this film but I've read that its one of the worst films ever made.   Just looking at some of the pics of the actors in this makes me crack up laughing (esp Travolta ) Barry Pepper looks utterly ridiculous as well haha .     Thinking about checking it out sometime this weekend so I can just laugh at it while I'm high as a kite.    



Who here has seen it?  Just how awful is it?