The Ouya launched for the public today, and things at retail appear to be going pretty well – Amazon, at least, sold out early on. But Ouya founder Julie Uhrman is "pissed" because some Kickstarter backers haven't yet received their consoles, and she promised they would arrive before the retail version went live.

Uhrman says she delivered the backers' consoles to her distribution partner in May, but some orders remain unfulfilled.

"I am pissed," Uhrman writes in a Kickstarter update locked to backers only, seen by Games Industry. "Some of you have not yet received your Ouya, and to you, I apologize. I did not promise to ship to most of you before we hit store shelves. I promised to ship to all of you. I've been reading your comments, and we are working to solve this."

Ouya Head of Operations Ken Stephens says backers should expect their Ouyas in 15 to 17 days, as they're shipped from Hong Kong.

Joystiq Reviews Editor Richard Mitchell got his hands on an Ouya Kickstarter model in April, and he found it to be worth the price – noting that it costs $99. He's now playing with the retail model, and he says it's an improvement on the initial version.