Uses Micro Sim .. T-Mobile doesn't have those yet here in the US.
Oh yes, but it looks like some brave person at modmyi.com forum did it:
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Answer a few questions.
First, it works with a T-Mobile SIM.
Second, you can sync it to iTunes without a SIM even for the first initialization.
Third, you will only get EDGE on T-Mobile.
The speed is the same as my 3GS on T-Mobile.
I wrote this message on my iPad 3G using T-Mobile, no wifi.
And I am using the old T-Mobile BB plan.
-Dk
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