I'm updating this thread instead of this one because that main thread just has a lot of arguing and semantics. If a mod feels that this should be posted or cross-posted there, feel free to do so.
Here are the results of my HK adventures, based on great inputs from this board and specifically this page. Both the suit and shirts were my first non-OTR experiences.
Purchased: 3 Shirts
Price: 360-480 HKD depending on the fabric