Perfect for a quiet weekend
I live in Washington, DC, and when I had to find a hotel for visiting family, I chose Savoy Suites. My parents are frequent travelers who have high expectations about where they stay, and they were thrilled with this hotel. The room was clean, comfortable, quiet, and spacious with a beautiful view of the Capital (they received a free upgrade on check in). The front desk staff was gracious and helpful. 
Location-wise, this hotel is not in the Capital Hill area, nor is it within walking distance to the monuments and museums. It is, however, on the bus line and right across the street from the restaurants and stores of Glover Park/upper Georgetown. If you are budget-concious, it makes more sense to stay here and take the metro (or even a cab) to downtown instead of paying more to stay somewhere else closer.