Sony has released a cradle for the PSP Slim. Sadly, this is only in Japan. Hopefully it will be released in the U.S. because this actually looks pretty cool.
It comes bundled with a cradle (duh!), an AV Out cable, and a remote control where you can wirelessly control your PSP's XMB.
For you importers, this will run you about 4,800 Yen ($46 U.S.).
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