Three things I want to try:
Dark And Stormy- Dark rum (supposed to be Gosling's), ginger beer (hard to find a good ginger beer here, maybe DIY it?), lime juice. On rocks.
French 75- Champagne, gin, simple syrup, lemon juice
Guinness Punch- Guinness, sweetened condesed milk, cinnamon, nutmeg, cocao powder on top.