Bastard Sword

[SvikC]

I am new to this game and enjoying my Vanguard Fighter (for I love Sword and Board playstyle). I love it being in middle ground- having decent DPS as well as tankiness. Also I love CC of this class.
However, I was deciding to take exotic weapon proficiency next, and I am in a dilemma. People say everywhere Khopesh is best, but I love to see my elf (yeah, I am rolling elf warrior, not human or dwarf, coz it looks cool :P and I am not planning to invest in racial anyway) wielding a shield and a big sword. However, is it really not wise to take Bastard sword proficiency instead of Khopesh proficiency? I don't want to get scolded after joining a party for wielding BS instead of Khopesh because it's probably trash compared to Khopesh.

Edit:

When I think of Khopesh, I imagine Khopesh and Tower Shield wielding Warrior with light Armor, and Big sword small shield wielding warrior in heavy Armor