You should give the rotary a chance. They're not known for being unreliable, they're believed to be unreliable. If there's anything one should know, it's that they got a bad reputation from idiots buying them not knowing how to break one in, or that they burn oil and it needs to be added every now and then, or worse, the "I'm going to give it 40 pounds of boost with no tune then bitch when it stops running" people.