BIG hotel with all the typical advantages and lack of charm that goes with that...
PROS: 
Great breakfast buffet.
Delicious diner/cafe across the street (open early for Europeans with jetlag!)
Friendly porter and front desk personnel.
Fairly kid-friendly.
Metro stop nearby.
Decent rates by DC standards.
CONS:
Unless you have reason to be in that corner of DC, it is not all that centrally located.
Lousy concierge service.
Room wasn't super clean and smelled strange on arrival.
Phone didn't work well- equipment felt a bit dated.
Can't always get a taxi when you need it.