For those of you whose iPod Touches just aren’t big enough, Apple has finally announced the pre-order and on-sale dates for one version of its much hyped iPad tablet thingamajig.

Starting next Friday, March 12, early adopters can put in their advance order for the WiFi version of the iPad. They will be available in three different memory size/price levels: $499 for 16GB; $599 for 32GB and $699 for 64GB.

The actual on-sale date for iPads is April 3.

These dates only pertain to sales in the U.S. and only to the WiFi edition. The pricier 3G version of the iPad will be on sale later this spring.

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