Whats tackier: a dry wedding, or a cash bar?

If I choose to have a host bar, it is probably going to cost me $1500 for less then fifty people. Since it is just close friends and family, would a cash bar still be super tacky? My friends and family are avid wine and cocktail drinkers, but my fiance and I rarely, RARELY drink, so we are also considering a dry... show more If I choose to have a host bar, it is probably going to cost me $1500 for less then fifty people. Since it is just close friends and family, would a cash bar still be super tacky? My friends and family are avid wine and cocktail drinkers, but my fiance and I rarely, RARELY drink, so we are also considering a dry wedding.

Are both options tacky ? Is one of them less tacky?
Update: I think I forgot to say it is a lunch reception (although a late lunch)
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