I can only speak for me, but rare is the occasion where I need a tank and have the choice between 2 different races at once...and above that, I'd pick you based on previous experiences of keeping aggro, FD pulling, etc etc.
Your reputation for many people comes way above "oh, not that iksar...they're less tanky". From a cleric's point of view a CH is a CH, if I've got clarity it's not going to make a blind bit of difference :P
Also, in my experience min/maxers tend to leave if they're not getting the XP rate they want per hour... play the game and enjoy it
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