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Cyanth,
So far my limited experience viewing science journal articles on the 700 has been limited to copying PDF files onto an SD card and dropping it into a 700 at a local Borders retail store. The fact that I was able to just drop in an SD card and view the file was encouraging.
Comparing PDF viewing on the 505 vs. th 700: the first thing I noticed is that the 505 took longer to open a PDF, and longer to turn a page. I found myself waiting each time. The 700 still takes some time to process, I felt it was much quicker. Therefore, when I went in to try different PDF files, I quickly limited my trials to the 700.
Some PDF's can be viewed quite nicely by selecting a larger font size and the 700 will 'reflow' and generate a decent screen. However, if the PDF's were generated by scanning a full page, the the results are more unpredictable. In that case, I would view the file both by changing the font size and by zooming in from the full page display. In the latter case, everything is in place and you can zoom or pan around on the page. Unfortunately, when you go to the next page you have to re-zoom.
I have not experimented yet with programs that generate new PDF files from files that don't display well. For example, some programs will take a 2-column article (common in scientific publications) and separate the columns. Haven't tried yet.
Many have said that it is also better to view full-page PDF (that don't reflow well) in landscape mode.
Consequently, I've decided on the 700. I just haven't had time to buy one yet. Hopefully in the next week or so.
Good luck, ddave
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