Hey!
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I'm looking for my first ebook reader device. I've read a lot of info in the forums and the wiki, but I get lost in the crazy amount of information and the one-sided reviews. Another main issue I have is that everything I read seems to be regarding to US customers, but I can't find reliable information about how ebooks work in Spain.

Can you help me?

I'm looking for an eBook reader device that has the following features (by order of importance):
- has access to a good store with recent non-fiction titles in English (at least)
- costs under 500$ (the lower the better).
- has good support for Spain
- supports some kind of notation or, at least, highlighting.
- is readable under (direct) sunlight
- reads PDF's with science notations and, ideally, graphs.
- big screen, but low weight.
- long battery-life
- the ebooks from the store are DRM-free
- the lower the price of the ebooks the better
- is able to play music
I didn't add it first, but obviously, the better the resolution and the amount of grays, the better

.
Thanks for your help!