ORIGINAL: 5 shot
I have tried them. I feel there are a lot better heads on the market, especialy for the money. They are prone to blade loss, and very hard to assemble. With all the choices in smaller, compact heads, I think Rockets "ultimate steel" would probably be next to last on my list.
Well, that's telling it like it is. You could have softened the blow a little bit.

Before I become the next victim, what would be your last?
Just kidding. You know, trying to give the guy a reason to laugh.
This is a classic example of a pro shop just selling what it has and why being self educated as much as possible is beneficial. Thanks for the heads up.