Dell's next design change for its Inspiron lineup will involve a radical overhaul meant to lure customers from fashion-conscious brands, according to a leak published today by Engadget. The 14-inch Inspiron 1435, 15.4-inch 1535, and 17-inch 1735 will all take their visual cues from the tapered, more upscale XPS line and will be the first to have a