Originally Posted by BoilerUP

Of course an airplane designed for ~110 seats but only with 80-90 would have more overhead space per passenger than an airplane designed for 72 seats with 72 seats installed.

Like I said, the 170/175, in my two years of riding on them to and from work, didn't have any more overhead storage issues than a 737 or DC-9 series airplane (US Airways, United, Northwest, Delta, etc).

Obviously, others' experiences my vary...