coconut rum, diet coke (therefore not too sweet) and a squirt of lime juice - awesome. I use the diet coke with splenda.
also vanilla rum or black cherry rum with diet coke, also good.
I like a "Cruzan confusion" its Cruzan coconut rum, mango rum and pineapple juice - yummy!
Cruzan makes lots of good flavored rums. I have coconut, vanilla, pineapple, mango, black cherry, banana and orange rums in my cabinet now.
I also like vodka with cranberry juice, gin and tonic, jack and coke...could go on and on when it comes to simple drinks. altho I like a daquarri (sp?) or pina colada, I'm usually too lazy to mix good ones.
with some good tequilla (Petron) and triple sec, lime juice - makes a very simple but great marguarita. no mixes needed.
You could mix 1 part cream of coconut, 1 part pineapple juice, 1.5 parts orange juice in a jug/pitcher and just add rum (I prefer dark) to your glass when when pouring. Its awesome! called a painkiller (from the BVI's - you're suppose to add fresh grated nutmeg on top) but is like a pina colada with orange juice and I can drink a bunch of these without getting tired of them.
think I'll mix me up a cruzan confusion now