Got upgraded to junior suite just for 20€/day. Don't know about the "interior" rooms, but the idea of a room without a window just wasn't for us.
Breakfast was awesome, there was even sparkling wine to make some mimosa's! Coffee could've been better..
Bed was horrible, so rough it was really painful to sleep. Room was quiet and shades made it so dark that we needed phone's light to find the lightswitch
Receptionists wasn't really dedicated to our needs when we had some problems with stuff left behind. Totally 7 different clerks we're dealing with the case and every time I had to explain the situation all over again. Still, everything sorted out finally