Vatted malt is really a blended whiskey without the grain whisky component. Vatted malts, like blends, mix a variety of single malts together in an attempt to get a totally new flavor. With blends, grain whiskey can be used to thin out the flavors a little in order to achieve some balance, though many enthusiasts consider it to be cheapening the flavors.
Stratheden Vintage Lost Distillery
Auchnagie The Lost Distillery