HP has finally formally announced the long-rumored multi-touch TouchSmart tx2 convertible tablet. The unit will be the world’s first multi-touch consumer notebook. It boasts a 12.1-inch swivel display which is LED-backlit. The tx2 comes pre-installed with Windows Vista. It also comes with a bezel-mounted fingerprint reader, an integrated webcam with microphone, Bluetooth, WiFi, stereo speakers, a multicard reader and a LightScribe SuperMulti DVD burner. HP has also loaded it with an AMD Turion X2 dual-core processor, MediaSmart 2.0 software, a VGA output, Ethernet, and at least one USB port. According to sources, they should be going on sale at the HP website any day now. The company has issued no word on pricing.