Wow, today was like a bonus day. After I got the ones I wanted, I looked up "Henry the VIII and the Zombie Army", and in the "Customers who bought this..." there were a few free zombie offerings, which in turn led to a few more...
I've got a Sony T1 on the way, and I've decided that all Kindle Freebies will be going onto the K3 and most other to-reads will go on the Sony. I think these freebies are more likely to get read if I have them all in one place. But then, I change up my system every few months anyway so we'll see how that goes.