My Kobo 2's screen failed. I contacted Kobo and they sent out a new one. Considering how long anything from overseas takes to get to Australia, I was pleased when a refurbed replacement arrived within a fortnight. I sent my borked one a week later and all's fine.

Around the same time, I accidentally stepped on my partner's Kobo 1 while it was in her bag. Screen completely screwed. She contacted Kobo, and they sent out a replacement which arrived faster than mine.

So, yeah, I'm absolutely happy to stay with Kobo, particularly having seen their general responsiveness to issues and support on the forum. Which is why I have a Touch now.

Overall, both Amazon and Kobo's support for their devices seems to be really top-notch. I mean, hell, I more than happily sell Kindles where I work.