SD memory card specs for PowerShot S3 IS

[asap]

Canon's website says the PowerShot S3 IS can take SDHC memory cards.

But are there any restrictions on the class of the card (such as Class 4) and transfer speed (such as 48Mb/s), or will ANY SDHC card up to 32 Gb work on this camera?

Thanks.

[Tim]

hello asap, 

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