Glad to see I'm not the only Marriott-member who is surprised at getting charged for internet service at a FS-Marriott. When at a client's, I tend to select which of the Marriott family hotels I stay at based on internet access (wireless vs. wired), then dollars. Since I'm a computer tech, my clients fully support this methodology.
But, honestly, I'd rather be staying at a FS, both for the services and the points. Since I consider the upper end Marriott's to be the 'business' class of the family, it's always amused me that you have to pay for the 'net.