The following tips for using Ozone 6 also apply to Ozone 7!
The codec preview option in Ozone 7 Advanced lets you monitor the final results and the artifacts of lossy encoding, so that you can make smart processing decisions and create better sounding masters right inside of Ozone.
iZotope has teamed up with Greg to offer presets designed and used by the legendary mastering engineer on a daily basis. Experiment with these tips from Greg to get great-sounding masters using these presets!
Dave Moulton offers tons of helpful hints for mastering your mixes, as well as why you really shouldn't. Check out this article for plenty of real-world advice on how to go about mastering your own mixes if you really, really have to.