I have no experience using Nvidia cards and arcade monitors there fore I unfortunately cant recommend them even though they make some of the best cards
I know for a fact Radeon cards work with arcade monitors . I use the first generation of radeon cards ,
the 64mb ddr vivo model ,But this is pretty old now so get a 8500 if you can,Try not to buy any of the LE or VE models as these are a bit bottom of the range.
I would'nt buy any crappy old cards like ,ati rage,trident blade,g400 etc
I haven't had Daphne running on 15khz yet as i haven't got round to send my CDs to the bloke with the mpegs but after looking at the emu it should work ok as zinc and vivanonno work
ben