If I were you i would get the realtime. $550 is a lot up front but you will be able to change and adjust the tune as you go. With the basic you have to burn chips with every change, the burner is $80.
Serban just told me. He got it from a guy who pulled it from a junk car in Okinawa Japan. And it was aluminum. So Idk what to tell you all. It was sold by our friend Bob.
An I-beam butted up and bolted into the middle of another I-beam to form a T. You would have to perform some major reconstruction to make it look good but that would definitely work.
Instead of more trusses in the garage, you could consider running a steel I-beam down the center (front-to-back) with a steel post on each end flange mounted to the concrete. That way you are not ...