Holographic Collimators

I'm considering the purchase of a holographic laser collimator (Howie Glatter maybe ???). More important to me at this time than the manufacturer is whether a holographic collimator is right for me, and will give better collimation on a 13.1-inch primary at f4.5 reflector. A friend used a pinpoint lazer collimator to set my seondary and primary, and now I'm thinking of buy a laser collimator for my own use and to help others. Would I be just as satified with a simple laser collimator. Is the holographic component that much better. I've been using a cheshire and would continue to use it as a backup. Appreciate any advice.