yeah. they don't want psychology to get in the way: 'oh man, i missed the 600 offer, not going to pay 830 for that phone'

they did not plan their kickstarter project carefully. they need to have more rewards in the lower tier and upper tier: t-shirts, stickers, custom color on the phone, extra customization, extra ram, extra cpu etc.

Still a great kickstarter - if they raise the amount = they can show manufacturers that there is demand for ubuntu. if the don't, they still gain quite a bit of awareness of the ubuntu mobile OS.