Here are some links you may find useful...
South Australian Tourism Commission
Barossa Wine & Tourism
Collingrove Homestead
Peter Lehmann Wines
Yalumba
Maggie Beers Farm Shop
Marble Lodge
Bed and Breakfast
North Adelaide Heritage
Classic Adelaide
Abbotsford Country House
Balloon Adventures
Australian Tourism Commission
National Motor Museum
The Lodge Country House
Colloidal Silver