Acer launches the Tempo line of mobile phones. The four new phones include the X960, F900, M900 and DX900. They are all touch-enabled and based on the Windows Mobile OS. The first set of devices will be based on the existing version of Microsoft’s Windows Mobile OS.

The M900 comes with a QWERTY keyboard, a 3.8-inch screen, and a fingerprint scanner. It also has HSDPA (High-Speed Download Packet Access) support, built-in GPS (Global Positioning System), and a 5-megapixel camera. The F900 also comes with a 3.8-inch screen and features a 3.2-megapixel camera, and you also get faster uploads using HSUPA (High-Speed Uplink Packet Access) and support for Wi-Fi. Both phones will start shipping at the end of March or the beginning of April.

The idea behind this conceptual design is to provide an additional “safety net” of storage for your computers deleted items. The Tempo is an external 250GB (the site indicated Gb, but we’re guessing they meant bytes for this to be practical) hard drive that connects to your PC or Mac via Bluetooth and monitors your deleted items. Each time you delete files from your computer they are stored on the Tempo trash drive where they can be recovered if needed, providing you another layer of recovery for those accidentally deleted items.

The device itself is shaped like a little trash can that can sit on your desk withing Bluetooth range of your computer to wireless transfer the files. LED indicators on the Tempo drive light from the bottom up indicating at a glance how full the …