A traditional holiday doesn't mean you have to have traditional decorations.
Your menorah should not only be the centerpiece of your Hanukkah celebrations, it should also reflect your personality. While traditional styles are fine for some, there are so many options out there for a more interesting, non-traditional design -- even if they're not 100% kosher.
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Between cooking, shopping and dealing with your in-laws for eight straight days, you deserve to make your menorah the one thing you can really look forward to.
Maybe you should keep a more traditional one as a backup -- just in case your grandma (or rabbi) comes over.