There was 9 of us that went down last July (4 adults, 1 teen and 4 kids) and ate at Cindy's, Crystal Palace, Ice Cream Social (The Land), 50's Prime Time Cafe, Mama Melrose's and Marrakesh and didn't have a problem. When we call up for PS they said that we would have to be seated at two tables and may not be seated at the exact same time, but once down there this was never a problem. At all the restaurants we were seated all at once and if we were at 2 tables they were right next to one another so it wasn't a problem.
You can also call 407-WDW-DINE and ask for "Group Sales" but you will have to give a credit card number to guarantee your reservation.