I'm going to O Ya in a couple weeks on a visit to Boston (so very excited!) and was weighing the benefit of getting the omakase vs. ordering off the menu. I know you can specify different price points (like saying I want $125 omakase) but is it actually a better deal - as in, if the omakase had 10 dishes, would it be cheaper than if I ordered those exact ten dishes off the menu? Or is it just a way to not have to decide what to get but pretty much the same price as ordering the same things off the menu. I ask because I'd prefer to order exactly what I want but if the omakase is really a better deal I might have to go with that.
Also, how picky is it okay to be when ordering the omakase? I read about how some people specified "no raw fish" or "no beef" and that was fine, but it would probably be in bad form to say "no raw seafood except salmon and no mushrooms, but truffles are fine," right?
Appreciate any help!