The major thing for me would be between Kindle 2 and prs-505. If they are the same price I would go kindle 2. If it wasn't for sony card deal making it 150 with free shipping, and looking at roughly same price for each, I would have to take hard long look. But kindle 2 299 plus 30 dollars for cover or 150 for prs-505 that comes with cover, no brainer!
Get the prs-505! yeah, baby!