Christine - we (husband and teen daughter) stayed at the Casa il Rosario (Via S. Agata dei Goti). It is a lovely convent with large rooms, private en suite bath, good breakfast, beautiful rooftop garden. It's also walking distance (easily) to Colosseum, Trajan market, Forum, etc., and walking distance (not so easy but doable) to Spanish Steps, Via del Corso, etc. The rooms are spotless and the sisters are very gracious. There is also free internet use. We really enjoyed our time there and the price was the most reasonable in town. There is an 11pm curfew but we found by then we were tired anyway. Have fun!