Welcome to MobileRead, Kathee.
We all have our favorite devices, so of course we'll all vote for them!
Mine is the Kindle.....one huge advantage is the 30 day no questions asked return policy. You can load it with books, play with it, and see if it suits you. If not, just pay return shipping........priority in the states usually less than $10. Here's a link:
Right now you can get a refurbished K for $219....full warranty and return policy, and you can't tell the difference:
PS......I have over 600 books on my kindle right now.....and Calibre helps keep the total of over 900 well organized....Enjoy.