This is the best non-contract data plan I have seen so far.
5GB for $30 on T-mobile
http://www.walmart.com/ip/Tmobile-30-Wireless-Airtime-Card/15443357

A SIM card should be around $7

On Thu, Dec 8, 2011 at 4:45 AM, Kåre Fiedler Christiansen <
[log in to unmask]> wrote:

> Hi all,
>
> Sorry for being semi-off-topic, but obviously you're the right bunch of
> people to know this...
>
> We're a bunch of Danes visiting the Code4Lib conference in Seattle. But
> the prospect of a full week being offline on my trusted Android phone is
> scary. And the price of international data roaming is simply scary.
>
> So I was wondering if any US carriers are selling data-enabled SIM cards,
> at a price that would be reasonable for a week's usage, and which are also
> available for visiting tourists?
>
> Any input welcome. Thanks.
>
> Best,
>   Kåre
>