My only criticisms / things I have done differently would be:

1) not run it on a dyno paid for by millers
2) not had millers pay me to run the advertorial / feature

Like it or not, fact is people will construe the above could potentially skew the validity of the test / results. Not saying it has, but to eradicate the risk of the above and ensure the credibility of the mag I would have foregone the payment from millers and conducted tests on my own terms. Would the results have been different? Who knows, but it would have exonerated the mag from any perception of skulduggery by its readership.

Ben