I had this same question and emailed a SGP store rep through amazon. His message is below.
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Thank you for contacting SGPstore.com Customer Service Department.
Hi, my name is David from SGPstore.com.
I do understand your concern,
Please do not purchase droid 1 products for droid 2,
since the phone did not come out yet, we weren't able to test the size of the product.
We will update our website as soon as we beta test the product.
Thank you.
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SGP - Stylish People's Good Partner
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Customer Service Representative,
- David-
[e-mail address removed]
www.SGPstore.com