I don't have any brand suggestions, but I can tell you that cheap brandy is awful and expensive brandy is delicious.
Brandy stores well and most recipes only call for a little bit, so I regard it as a flavoring and bite the bullet and buy good brandy.
Brandy, butter, and green pepper corns make a delicious sauce for elk, and would be good on chicken or beef.
I thought sangria was wine and fruit juice. I wasn't aware that there was any brandy in it.