Just so you know, Byron's has a real spicy kick to it, and I don't know if that's something you're looking for or not.
I've used this one, but it's a little bland (I like lots of flavor but no heat):
3/4 cup firmly packed dark brown sugar
3/4 cup white sugar
1/2 cup paprika
1/4 cup kosher salt
4 tablespoons garlic powder
2 tablespoons ground black pepper
2 tablespoons ground ginger powder
2 tablespoons onion powder
2 tablespoons dried rosemary leaves, ground to a powder
1 tablespoon corriander
1-1/2 teaspoons cumin.
I don't put any hot-stuff in there at all, but that's just me. I'm actually looking for something different this season myself. Nice balance of flavors, not too garlicky, with maybe a faint hint of spice but nothing more.