Even power users rarely have more then 4 or 5 clients therefore I guess this would be the largest install. I guess with a fast Quad-Core and two Raptor-HDDs there's still room for some more clients but you'll have to find out if they all can be handled by one server alone. At least we'd be very interested in a photo story
If some database accesses would be the bottleneck I can offer help to optimize those occurences... Keep us updated
