The alpha version of Ubuntu 11.04 Natty Narwhal is now available for download to all. The final version takes more time to come and is expected to arrive on April 2011. You cannot expect every thing to go well on Ubuntu 11.04 Natty Narwhal Alpha 1 because it is just a pre release and is for testing purposes.
This is the alpha version and you cannot download it directly from ubuntu.com. But here is a link from which you can grab the iso file.
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