Mike,
Are your tutorials and training better than the ones offered by InHouse? Just curious because they offer a Tombstone and rotary training book for $35. Thats quite a price difference over $175. I bought their book and it has very good information and is more than enough to get you started programming tomb stones and rotary. Plus it comes with a cd which contains a home/school version of X4.
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I considered purchasing one of your video's in the past but was on a budget at the time. This seemed like a cost effective solution.