Where can I find a comparsion of non-offical cooked rom/firmware of Galaxy S i9000?
CyanogenMod is a famous community-build Android ROM for multiple Android devices. Give you a very different user experience.


  CyanogenMod is a free, community built
  distribution of Android 2.2 which
  greatly extends the capabilities of
  your phone.



Require flash : Yes
Custom ROM: Yes (that's mean no Samsung stuffs, changed app launcher, etc)
Custom Kernel: Yes
Lagfix: hot development
Latest development: Work in progress