Android 2.2 Test Firmfare for Samsung Galaxy S Leaked

What do you notice from this screen shot? Is it real? No matter what, the leaked Android 2.2 test firmware for Samsung Galaxy S smartphone should excite it’s loyal users. Why not, as testing means it is now even nearer to the release date, compared to no news at all, right? The pace of getting Froyo to Samsung Galaxy OS is impressive, and surely making other phone user drooling. After all, Samsung Galaxy S is Samsung’s flagship phone, the darling Samsung that putting high hope to succeed, very very well.
via Phandroid

I successfully upgrade to Adroid 2.2 but i lost my internet connection .Network mode also did not show 3g.It only recognise GSM/WCDMA mode.Maybe ,the file is not meant for another country.Hopefully,there is a solution to it.Meantime,am considering to revert to Adroid 2.1.Anyone,having solution to this problem?Thanks.
Correction.Maybe the file is meant for another country.
Have you done any benchmarking test on your phone after the upgrade? If yes, any significant improvement that you notice?
Thanks for sharing.
@Marcus, I never done proper test