Thanks for bringing up those great points. They are really helpful.
The BR suit I was looking at is actually a "tailored" fit which isn't as slim or have as high as arm holes as the "monogram" line. The Jack Victor suit I was looking at is described as having a "tailored" fit, but how it compares in terms of fit to the BR suit, I have no idea.
I typically need to wear slim-fitting suits - I have a very athletic build, 30'' pant size, 38'' chest, 140lbs but need a 36'' suit. I've tried on the J.Crew Ludlow suits and despite them being too slim on most men, they fit me perfectly. On the Brooks Brothers black label line, I even wear a size zero. I have tried the BR tailored fit suit and it fits really well. I was really concerned about the latter's construction as it is a fused suit and not canvassed. I'm really curious if the Jack Victor suits will fit me well. I hear that Loro Piana wool is high quality. Between the two suits, I wonder which will have a longer life.