i particularly like the peruvian seafood appetizers (not just ceviches) but like the ones with avocado/egg/mashed potato/crab 'napoleons'
what is the weather like in BA and Uraguay?
Please talk more about crime rate and kidnapping?
is the expensive (relatively) part of town safe for americans and asians?
BA is hot summers and cool/cold winters...Uruguay more temperate since mostly coastal (stays in a tighter temp range due to water). Of course their summers are during our winters and vice versa...which makes for a nice opportunity to never see a winter again if that's your thing.
I frankly have not had a huge issue with the crime (never had an incident in nearly 20 years of travel there and surrounding regions/countries). While I look precautions (e.g., hired a driver if I knew I was going to be out on the town for the evening, which again is not expensive), I quickly learned which areas to avoid like you would in any major city. For example, most of the kidnappings you read about in the Philippines (which I mentioned from Prime's post) are situated to the country's south as you get closer to the "militant" factions down there, so as an American, it would be wise to avoid. But cruising around in public streets of BA, out for an evening stroll is no more dangerous than walking down Sunset Blvd. in LA, in my view.
Of course, given that much of those countries revolve around "grey" economies, I found corruption more prevalent. Subtle payoffs and bribes/kick backs are very common expectations there and that took some getting used to. For example, if I needed something repaired in my condo, I would need to "tip" someone in the property management office to ensure it got priority. Given that the average income is pretty modest (back then it was about $800/month for what was considered a "good job")...well, let's just say the tip was pretty manageable by our standards.
And yes, all the well-to-do districts (including the ones I mentioned) are very safe for Americans...and interesting that you mention it, the Asian population is notable in BA. It was kind of a trip for me to walk up to two Asian talking and realize that they were conversing along in perfect Castilian Spanish...not sure why it surprised me at the time, but it did...I suppose my SF Bay Area biases kicking in. On that latter score, having some facility with Spanish helps a lot to blend in and not be seen as such an outsider, even if it's a phrase or two.