My favourites:
Italy:
Cannonau di Sardegna made by Contini
Rosso di Montalcino by Argiano
Barbaresco by La Piazzina
Brunello di Montalcino
Australia:
Grant Burge Shiraz
Jacobs Creek (good price)
Lindeman's and Lehman's
Chile:
All of Concha Y Toro
USA:
Hess Collection
Mondavi