You'll have to make up your mind fast: do you want a Red Zune or not? Cause maybe this one will be available exclusively at Target stores and Amazon for 30 days starting this Sunday for $220. We still don't know if it will be removed off the selves completely or get available everywhere after these 30 days, but you've been warned.
EDIT: The source article says clearly that after those 30 days the Red Zune will be available everywhere, but I didn't read it correctly . The Red Zune will cost $220 on Amazon and Target. Other Breaking News: The iPod Amnesty Bin is no longer in Zune HQ lobby! ...

From MediaPost:

Microsoft declined to discuss the decision to partner with Target and Amazon.com on the debut of the red Zune, with spokesperson Sara Bell telling Marketing Daily that "Microsoft typically does not disclose the details of its partnerships."

However, the timing of red Zune's launch does coincide nicely with Father's Day, around which both Target and Amazon.com will market. Microsoft is not planning anything specific around Father's Day, "except to note to a variety of media that Zune makes a delightful gift for dads," Ball says.

[...]

"The 'iPod Amnesty Bin' was a lighthearted gesture among Zune employees and was intended to be simply a humorous motivator for only the people who are working on the project," Ball says. "It was not a company-wide program, and the bin is no longer in the lobby of the Zune building."

I believe the Red Zune should be more widely available, like the Pink one, because it is a very nice color but thats not my decision to make.

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EDIT: The Red Zune will be available on other retailers also after the first 30 days exclusively on Amazon and Target.
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On Breaking News: According to an anonymous tipster of Zune-Online (yea right!), the iPod amnesty bin was removed broken, because of the thousands of iPods dumped in there .

The Red Zune on Amazon(affiliate link)

Related articles:
Some real photos of the Red Zune
Red Zune available on Amazon now
Red Zune Release on June 10th

Zune HQ: The iPod Amnesty Bin