Hello Tim.... if you will be here in late August, you may want to consider being part of the Cow Do events.... this is usually a good chance to meet the local FTers and also other folks that come down on an ad-hoc basis. Check the Community forums and look for " Cow Do V ".
I have a very professional TA that I can introduce to you... they are reliable and will be able to assist you with your points (2) and (3).
For your point (5)... I would suggest you consider the following:
- attending a soccer game
- estancia trip (day or perhaps even an overnight)
- professional shopping tour
As to point (1) we need to work a little on what you mean by authentic.... as this is a very broad and "volatile" term depending on who you speak to. Restaurants and "authentic Argentine" will invariably have a very relevant meat component.... so perhaps in March your choice will have to include a lot of dead cow and perhaps empanadas. My shortlist for this would be....
- La Brigada San Telmo
- Pura Tierra
- El Palacio de la Papa Frita
- El Obrero
Do you know any of these.... also, are you looking for a typical and authentic "eatery"... or do you want something more upscale that has nice ambiance and a good wine list... please elaborate a bit on the details and Im sure all the board regulars will have plenty of input for you.
Please PM me for details on the Travel Agent that will be able to help you with (2) and (3) above.
Cheers,
Gaucho100K