Straight from rumourville here is an upcoming slimmie from Motorola, the E9 which will be an upgrade to the SLVR line up. Taking a look at the specs the E9 is surely impressive as enclosed in a 10mm thick super slim chassis is a 3.2 Megapixel camera, 2.4 inch QVGA (240 x 320) display, 50 MB of internal memory and a Micro SD card (upto 2GB) for memory expansion. The E9 supports Bluetooth 1.2 with A2DP for streaming music to compatible devices. You can hook up to any hotspot as it comes with Wi-Fi 802.11 b /g.
The Motorola E9 is not yet officially announced by Motorola and it is not known if it will make to stores ever.