I've owned the hard copy of the Core Rulebook for quite some time now, since the first printing, before any of the errata were released. Shortly after, I purchased the PDF version - and I must say that Paizo deserves every single one of the five stars I've given, simply for customer support.
By allowing redownloads of the Core Rulebook each time it is errata'd, it expedites a lot of flipping between documents. Kudos to you, and thank you very much for streamlining the whole process! My hat is off to you!
I'm quite satisfied with all of the content in the Advanced Player's Guide; all of the class variants and new classes seem well-balanced and provide even greater opportunity for storytelling and role-playing.
The only issues that really caught my eye were the pervasive grammatical errors and some occasional mislabelings (see the Arcane Duelist option for the Bard, which has a few uses of the name Spellsword, and a few tables that use "a" for "an" and vice versa.
