I tend to use my Kobo Glo more than anything else to read fiction. My Kindle keyboard is still going strong, but without a backlight it is a bit restrictive for my reading habits. I also use my Samsung Note 3 and MoonReader+ fairly regularly to read novels. It's especially handy if I'm somewhere I can't easily use my Kobo.
In terms of price, I go for the cheapest and decide which device to load onto after using my friends Alf and Calibre