Ah! That clarifies things a bit.
I'm surprised no-one else has chimed in with opinions yet!
You may not want to say, but it might help for people to know where in the world you are. You can add that info (as generically as you like) in your profile.
Have you explored the MobileRead Wiki (very top left) for possible devices?
Best of luck, and you might consider browsing or posting your question in the specific-device forums.