I’ve hung out on Kickstarter a bit, well a lot actually. Backed 59 projects, 7 failed, 2 haven’t ended yet, and I have several I am watching buy have not backed yet. Most of the backing has been at the low end, $10 - $30, but I have splurged on the OotS and OGRE projects, and one I am planning on going big on.
Some of the more interesting ones I have not yet put money into are:
ArduSat - creating a small satellite to enable orbital experiments by individuals. - Already funded, but nice stretch goals.
Escape Pod Comics - The Future of Comics - Opening a comic book store with a lot of additions to spread the owners love of comics and educate. - Needs lots of funding yet, some really nice rewards.
The Dylan Meconis Library 2012 - Getting all of Dylan Meconis’ works into print. - Very well funded, but if her style is your thing, this would be a good way to pick up her stuff.
DUSTER: The Graphic Novel - A graphic novel set in Texas at the end of WWII, with a widow crop duster taking on Nazis. - Already funded, but the story and art look pretty good.
A Thousand Natural Shocks by Sharp & Fine and Kat Howard - Helping a dance company pay for production costs for a new show, based on stories by Kat Howard. - Already funded.
The Girl Who Would Be King - A novel about the emergence of super powers in two girls, and how they handle them. - Already funded, but the story sounds interesting and the start is up for free so you can check out the prose and other unknowns that are part of self-published novels.
Marian Call European Adventure Quest!!! - Independent singer/songwriter Marian Call is financing her tour of Europe, with a live album being recorded there. - Already funded, but the album is available for only $5. If you are a European fan, this is a good way to get her to your country or even your house for a concert. And Americans can get the album, plus she is working on other rewards for them. (Full disclosure, I am a huge fan, and plan on giving her money, despite being in American and already owning all her music.)
Those are the most interesting projects I am following right now. Except for Clang, which Septima mentioned. and I have already backed. I will probably back all of these, plus some I haven’t mentioned. And more that I haven’t found yet.