The ROM is a beta version of Gingerbread for the Galaxy S, according to the post. You may have to root your phone in order for the Android Market app store to work with this version of the software.
Reports say the update includes the latest 4.0 version of Samsung's Android skin, called TouchWiz. You can have a gander at the TouchWiz 4.0 interface in our.
To install the leaked Gingerbread ROM, the forum recommends using the ODIN tool. You can find out more about ODIN in our awesome tutorial on how to .
Gingerbread should make the Voodoo lagfix obsolete, because it moves the Galaxy S from the sluggish RFS filesystem to the speedier EXT4 system.
We haven't tested it, so be aware that the update could make your phone into a very expensive drinks coaster. But if you do give it a go, don't forget to backup your data and charge your phone first -- and please let us know how you get on in the comments.