iyhbyu: White wine is lighter than red wine, which is why you may find it easier to swallow.
Normally white wine is served with fish whereas red wine is served with red meat.
As for a good wine to be mekayeim the mitzva on purim, try Chateuneuff (however you spell it). Its white not too sweet and not too dry. Be aware, that whatever you get too drunk on,you wont be able to look at again!!