Welcome to Flyertalk!
You'll find many Flyertalkers are familiar with and love Argentine beef, not to mention the fabulous and reasonably priced wines.
As you familiarize yourself with Flyertalk, take notice of the Community Buzz forum. There's an annual event each fall in Buenos Aires attended by a few dozen Flyertalkers.
It would be fantastic to have another local (?) join in the festivities. ^