Bucatini is actually one of my favorite shapes. I just love its bite, mess be damned.
I also quite like wagon wheels (rotelle), I'll admit it's a "kid's pasta" and looks silly, but nostalgia plays a role, and I think it has a good bite as well.
Not a fan of farfalle, but it has its usages, mostly in less saucy pastas that eat more like a salad of sorts or perhaps in a stew (i.e. when it's a dish with pasta rather than a pasta dish), but then again, there are probably better shapes for this ass well.
And while I like penne, I do think it's overused, and often not suited to the sauce.
My favorites in not particular order are bucatini, wide flat pastas (anything from fettuccine to pappardella), rigatoni, ditalini, conchiglie (cavatelli is better, but less available), cavatappi and radiatori.
