They have many different types of tables. The nice places have very good equipment, pool tables as well as billiard and of course air conditioning. There are smaller places that are open to the air with no ac as well. But pretty much there are enough larger, nicer rooms to choose from in ho chi minh city. One place that I frequent that is more of a bar/club but has 1 table that is the single best playing table I have ever played on. I think I have a pic of it, I will see.
As far as action the 2 larger matches I was involved in involved several thousand usd changing hands but those were more the exception. I've also played some challenge matches for bottles of whiskey where the loser pays and we all share after. The bottles go for like 80 bucks so not bad deal for the winner