The Samsung Nexus S released yesterday is causing quite the stir. The Nexus S is same phone hardware wise compared to the Samsung Galaxy S minus the NFC – Near Field Chip. The NFC chip can make the phone transmit and receive near field RF signals. NF is the technology used by stores in their anti-theft devices. Those devices can only transmit but the NFC chip in the Nexus S can both transmit and receive information.
My favorite forum for anything Android development related is XDA Developers, and according to some chatter there a port for Gingerbread 2.3 to run on Samsung Galaxy S should be easy. The ROM has to disable all the features that refer to the NFC.
Here is the complete list of details on what is new with Android Gingerbread 2.3