Marta is wonderful!
She picked us up from the bus station and immediately answered all of our questions. Her house is perfect- great privacy and space. She had every little detail ready such as coffee/Tea and snacks in the room, tour guide books, etc. You name it and she either has it or will get it for you.
As stated in previous comments, breakfast was great :)
If I'm ever back in Amsterdam, I'll be staying with Marta.