You need to check out epinions.com's "Top 10 MP3 Players" list
Hint: The ipod is on it.
Link:
http://www.epinions.com/MP3_and_Digital_Media_Players/show_~top_sellers
Hint: The ipod is on it.
Link:
http://www.epinions.com/MP3_and_Digital_Media_Players/show_~top_sellers