Comparison Chart for EDI Translators?

[Sanjeev Gupta]

Hello,   I was being told to put a comparison study using Gentran, Mercator, GXS, Paperfree and Harbinger's EDI translator . But my problem is that I have experince only with Harbinger and GXS AI.    Does somebody know if there is any study available on internet which is done by some independent source? Or if some of you are experienced in more than 1 above translators, would you like to share your experinces. Thanks, Sanjeev Gupta