1.) The acoustic version sounds like shit: this means your (producers|mixers|engineers) (pick one or more) are more talented than you are. Get back in the recording studio where you belong, schmuck, and be glad your undeserving ass is getting a free ride.
2.) The acoustic version sounds much better than the normal version: fire your (producer|mixer|engineer), as they're screwing your stuff up. Consider releasing only acoustic versions until you find replacements. At least you know it's not entirely your fault your album sucks.
3.) The acoustic version brings a unique and personal touch to what was already a good version: haha, yeah, right. You keep on hittin' that crack pipe, bud.