there’s a new web directory site out there, it’s called yiddn. Amazing collection of web sites! Check out the mens apparel category at the jewish etailers section.
A Chassidish shirt is a a woman’s shirt, since right side buttons over the left side, but since the Toroh in Ki-Setzei forbids a man to wear woman’s clothing, I have to wear a Misnaged’s shirt where the left side buttons over the right side, in order not to be in violation of this Toroh prohibition.