Harmonix have announced the Playstation 3 version of Amplitude will be released next month. Harmonix made the following statement in their blog post..
“It’s done! We’re submitting [the PlayStation 3 version] to Sony certification today. The certification and release process takes a couple weeks, but you’ll be able to get your Sixaxis controllers all up in Amplitude‘s business in April. We’re hoping for early April, but I’ll let you know when we have a confirmed date locked down.”
Harmonx also noted that the physical awards from the Kickstarter will be available in mid-April and the digital awards from their BackerKit have been released today.