Free Kindle for Blackberry "beta" is ready for download - Update2

UPDATE, 2/19/10 - I've added links below for each supported Blackberry model to its product description pages, as forums are showing many who now want to upgrade their Blackberrys to get the free Kindle for Blackberry app.

The app is available only to customers in the U.S.
  Here is Amazon's list of future improvements to be added soon (still promised for the Kindle for PC as well, and the Kindle for Mac was to be ready soon too).

Future Improvements - as listed by Amazon:

"As with all our services, we will continue to improve the Kindle for Blackberry application.  Below are some of the features to be added in the near future:

* Scrolling
In addition to page-by-page navigation, you will be able to scroll text line-by-line.
* Create Notes and Highlights
Along with viewing the notes and highlights you created on other Kindle devices, you will be able to create and edit notes and highlights.
* Search
You will be able to search within your book."

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Original posting of Feb. 17, at 7:52 PM follows.
The free Kindle for Blackberry (or, for some of them) is finally ready for download.  The information was first tweeted by Bufo Calfin.

Note that you can type "amazon.com/kindlebb" into your BlackBerry browser to download it.

The models supported, all available at Amazon, are the
Bold 9000,   Bold 9700,   Curve 8520,   Curve 8900,   Storm 9530,   Storm 9550,   Tour 9630

Now, where is the Kindle for Mac ? Soon, I imagine!

UPDATE2, Feb. 19 - An email reply from Kindle Customer Service to a customer requesting info on the Kindle for Mac app was received today:

' We're working on a Kindle for Mac application, which will be available in the next few months. If you'd like us to e-mail you when Kindle for Mac is available, sign up for that e-mail notification here. '