Can someone explain to me the difference between the Dominator HD. Dominator V2. And the Sky Zone. Other than the cost. Which would you recommend a nookie as myself. I found that the knowledge here surpass any I could find. I've done the search/knowledge on UTube, but find the explanations here more specific to my craft. I am new to this site so be kind, if I ask the wrong questions. "Thrasher 113"