Palm officially announced their new smart phone, the Treo Pro today. The new Windows Mobile device is being sold unlocked and features an HSDPA cell radio (tri-band UMTS, quad-band GSM), GPS, 802.11b/g, a 320 x 320 touchscreen display, 256MB ROM, 128MB RAM, a 2-megapixel camera, support for microSDHC cards up to 32GB… and a standard 3.5mm headphone jack! The Pro will run you $549 contract-free here in the States, while you’ll be able to purchase it through Vodafone and O2 for prices ranging from €399 to nothing at all.