I don't believe it is possible through the proboards app, I use that app about 95% of the time that I'm on here. But if you have a phone/tablet that can run that app, you also have a browser on that device that you can use to log into the site normally. From there you can change the name of the thread.
To answer the question, I ran that setup for a while. For the most part your biggest issue will be ghosting while looking through the 3x magnifier. It seems to be a very (almost non existent) small amount when the magnifier is flipped to the side, but obviously can get annoying if you're looking through the magnifier & EoTech.
The battery life on them is great, mine never died and I probably put about 150 hours on it before I sold it off. Some big problems you can run into is the FTS is a bit wobbly, so ensure you hand tighten those screws down a bit if you can. Also the mounting screw on the EoTech is cheap pop metal, so replace that unless you want issues. Other than that sometimes it will not be 100% lined up like you'd expect from a real steel model, but a bit of tweaking and you can usually get it rest about center.
Airsoft is 90% looks anyways, so pick it up if it's what you like. However there are definitely better optic setups out there.