@Thor's hammmer: True enough, you are obviously a big Thor fan and know your Thor history, but as a comic book reader you understand that the consistency of each characters story line especially one as old as Thor( The marvel Character not the actual Norse Myth) can be inconsistent at times. For example the Wolverine character when he first started was get his neck slit and he would not be fast enough to heal before he bled out. Thor use to fly by throwing his hammer and hanging to the inertia, that has certainly changed. My only experience with the Sentry was reading the Dark Avengers and they raised the Sentry passed superman levels. The last Marvel-DC confrontation between those two, superman dominated over Thor.
I know characters can be largely inconsistent. witch explains things like Thor being Hurt my missles but then tanking world destroying bombs. Superman doesn't have anything to do with this. in terms of overall abilities I would agree that Sentry Surpassed Superman with his void Powers. Superman vs. Thor in non canon crossover doesn't prove much because as you said it is an inconsistency. Thor has certaintly beaten far more powerful than Superman and DC isn't likely to let their flagship character lose.