I spent just over a week in Gea's apartment near the Flaminia and found everything to be perfect. The apartment was exactly as described, clean, with everything working properly.
The location is very convenient given close access to the #2 tram line, a supermarket, and an organic food store on the next block.
The apartment has a "cozy" feel given the art, books, and other decorative items, in contrast to a sterile hotel room.
All-in-all, I would book another stay in Gea's apartment without hesitation!