I can't believe the writers have still kept this story going. It's even more unbelievable that it's actually quite good. Amazing Spider-man hadn't been worth reading for quite a long time before this change came around. It's really quite interesting watching Octavius go about Peter's life. It was really damned disturbing seeing him attempt to date Mary Jane but that didn't work out for obvious reasons. He's definitely more successful at being Peter Parker/Spider-man than Parker ever was. It's interesting seeing Octavius succeed at being just a really great hero while basically pretending to be heroic. The art has also improved. Parker's demeanor is now consistently different, the eyes just aren't Peter's any more, with a kind of crazed look in them constantly.
I loved how they took my prediction for the story, Parker bleeding into Octavius until there was no discernible difference, and nipped that in the bud, with Octavius realizing this was happening and stopping it (although there's enough of Peter left for him not to go rampaging about). In fact, the latest story seems to be what's left of Peter fleeing to Octavius' mind and getting tainted. I'm excited for what's on the horizon for the real Peter Parker for when he does get control back. Peter is going to have a LOT of shit to deal with when he gets back. But, damn, they can take their time. This shit is good.
If becoming Parker made Octavius more heroic, it stands to reason that Peter embracing a more villainous side will just be an equally great read.