Check this out too:
Sunlite Alloy Cruiser Stem - 150 x 84 x 1 (21.1) Silver. The stem clamp can be spread enough to get a 25.4 clamp road bar in there. It'll raise the bars up quite a bit and looks way better than that other stem IMHO. Here's another one with more extention:
Sliver Road MTB Fixie Fixed Handlebar Riser Stem Alloy Stem 21 1mm Sliver 1" | eBay.