First post! w00t!
question about the GRS-16/PE:
1. Could I use this to rip a parallel edge on lumber? I'm a hybrid tool guy so I dimension my lumber using hand planes. Once I get a reference edge, I would establish the length of the board using the GRS-16 as a guide to create a square cut. Once I have a square 'end' then I would use that end to create a parallel edge from the reference edge. Is this a good idea?
2. What's the tolerance of the guide? How much track span (I have a 75" and a 55" tracks I connect) before I start to go out of square?