Aside from dipping mine in ice cream, I sometimes dip them in sweet and sour sauce, ketchup, and sometimes mayo. The favorite has GOT to be in ice cream / frosty though, preferably chocolate. The cold+hot combination is so perfect.
I like my fries unsalted and soft. We call the soft ones "juicy". I don't mind if the fries were LIGHTLY salted, either.
The sound of garlic ice cream doesn't sound so appetizing, but given the chance, I'd try it... just to see how it tastes. When I was young, my mom bought corn ice cream. I love corn, but corn ice cream was very gross.
I'll have to try the sweet potato fries too. So now that makes me wonder... are there such things as turnip fries?? I mean, you can make mashed potatoes, mashed sweet potatoes, and mashed turnip... so turnip fries? :-p