Kill Ten Rats has a rather, uhh, thorough article on bugs in the release version of City of Villains. His complaints are pretty valid across the board, like NPCs being named "slash," as in the keystroke, not the awesome guitarist; minions acing a lot like bumbling henchmen from the Batman TV series rather than executors of their controller's maniacal plans; quest text and NPC shouts calling you "HERO_NAME" rather than "The Great McGillicuty" or whatever your name might happen to be; and power enhancements just not working pretty much across the board.
He does get into the nitty-gritty about half-way through, picking at spelling and grammar mistakes in quest text, as well as how Cryptic documents their changes, but all in all, it's a good heads up to what's going on in the latest expansion to Paragon City.
