The National Association of Home Builders' 2009 International Builders' Show (IBS) will be held in Las Vegas, Jan. 20-23. More than 1,700 exhibitors will be on hand displaying their latest building product innovations and services. From the thousands of new products that will be introduced at this year's IBS, we have rounded up a selection that may be of particular interest to residential builders and designers. Take a look at our product picks in the 2009 IBS Product Preview slideshow below.