Well, I consulted my Orlando Restaurant's to Try list and I have that New York China Buffet is one to try. I got that it was a little pricey but the food is replenished constantly, which is why it stays so fresh, and is good.
We never made it here, on our trip in 2005, but I've seen a few good reviews on it.
I'm also not sure where it is in relation to where you're staying but it is located at: 12173 S. Apopka-Vineland Road in the Buena Vista Shopping Center (407-238-9198).
If you go, please, please post about it here.