We stayed at this hotel for three days and were fairly happy with this place and its surroundings. The weather was poor for the time of year, but the owners and staff can't help that, can they? Nor could they tell us they did not like the weather, as we do not speak a great deal of Portuguese and we did not encounter any member of staff who spoke English, French, Dutch or German. Still, everything went smoothly.
Alegre is old style, with a lot of dark wood and the smell of wood polish that seems to go with it. You still get a good deal for what you pay: the amenities are OK, our room was not too big, but satisfactory for a three night stay in an area where you can visit a lot.
There is a small pool, a (rather cramped) parking lot and buffet breakfast well supplied (egg is baked/cooked on request). Luso was well located to visit Aveiro, Coimbra and Conimbriga, while Busaco and the Vineyard area are worth a visit in their own right.