Try a real e-reader, not that Sony piece of crap. I would have thrown that Sony against the wall the first time it took an hour to do anything. Try a bottom-end Kindle. It's way better than what you describe.
The first e-reader I had was a Sony touch. It worked really well for me, but I'm also just reading fiction on it and not scientific journals. It never took an hour to start up for me. I tried using it with the europe lonely planet ebook on a road trip once, and it was a bit useless since the maps and any images took forever to load. That sort of thing is not really what it was designed for though. For just reading normal books, it was great. I liked it better than the Nook and Kindle offerings at the time.