Well Joe I definatly not against the promotion of Live Music and as long as you are awear, as you seem to be, that you would only be damaging your own credibility if you personal were viewed by others as doing things for your own self interest.
I think that a rule of the Magazen editor handing out Albums to people who he or she knows like that type of Music is best. If then the reviewer gives a negative review the Album in question should be given to someone else to review and only if the second reviewer delivers a negative review should the editer decide to publish the First review.
All reviewers should listen to the whole Album and again on difertent day. As his or her mood or mindset can lead him or her to a different conclsion.As some one has already said a lot of blood sweat an tears goes into producing an Album not to mention money.
The internet will make all would be reviewers of Albums redundent as many artists let you sample the tracks before you download it might be marmite to a reviewer but a lot of peoples like marmite. I'm backing Betamax it is the Future!