Yes, I book as soon as I start making arrangements. I ask about discounts like AAA, Entertainment book, and Universal Fan Club and then I book the best deal.
But then I keep checking for rates to come down or special discounts to become available. I check here in this board frequently. That is how I found out my Entertainment rate of $146 for HRH came down to $125!
FYI...I booked January for December and by March, it had come down and I rebooked.