Sony confirmed that PlayStation Vita will be launched on December 17th in Japan.
The price will be ¥24,980 for the Wi-Fi SKU and the 3G version will be ¥29,980. The provider for 3G service will be DoCoMo and not SoftBank.
DoCoMo will have two pricing and there are 20 hours for ¥980 or 100 hours for ¥4980.