I'm perfectly content to take several days researching online to find the next book I want to invest my time/money into. I'm not on that tight of a schedule. I doubt I break the 20 books per year mark very often these days. I view free samples as an absolute godsend in that research process. I can usually dispatch the grammar/spelling butchers (or the utterly ungifted) in a page or less.
Perhaps I'm just contrary. I do tend to prefer 'sleepers' (regardless of how they were published).