Stodge,
See my thread comparing the two devices.
https://www.mobileread.com/forums/sho...d.php?t=105979
Executive summary: the Kindle 3 device is significantly better than the Kobo.
While we aren't allowed to have explicit discussions about stripping DRM, it's a 10 second process. Once that's done, Calibre will convert to .MOBI format the Kindle reads.