Yes, Pleasant Activities is the activities site for Pleasant Holidays vacations, which is the tour company that AAA books a lot of their Hawaii trips through. We went ahead and booked 5 nights in Aulani through AAA...and Pleasant Holidays. As soon as I mentioned Hawaii and Aulani, the AAA agent immediately grabbed the Pleasant brochure. I assumed that it was because she knew that they offered the best prices and packages, but that turned out not to be the case. By a complete error on my part (I did the math wrong), the Aulani quote she gave me through Pleasant appeared lower than the price I was getting off of the Aulani website. She booked us a DVC Deluxe Studio, but when I checked the Aulani site later that evening for our dates and that room type I saw my mistake and realized that Pleasant was charging almost $250 more! Thankfully, they have a price matching policy, so come Monday morning I contacted our agent, provided her with a screen shot pdf of the Aulani pricing and she got them to match it! She was also able to switch us over to a standard room with the same view (same price) because we preferred having two actual beds versus one being a pullout. We didn't see the need (for us) for the kitchenette.
I will add that I was shocked at the Pleasant prices for the airport shuttles. She quoted me just under $30 per person per ride, thus for the three of us it would be roughly $180 round trip! Having already looked at posts here on the DIS Boards and doing some online research myself, I was seeing prices more in the realm of $110 to $120 range. Ridiculous!
I have heard that one of the main benefits of Pleasant is their access to good prices on flights, but we will see. So far, I am not a fan of the higher charges!