Well all of the rumors were true, iPad 128GB will be released on February 5th.
The iPad 4 will get a brand new model with a boosted up 128GB flash memory storage. This will be available in black and white from release day. It is also released in a WiFi model and a WiFi + Cellular model.
Now down to costs, the Wi-Fi model will be sold for $799 and the cellular version setting you back $929. These prices are only effective for the USA and other countries will have to wait for prices.