The Batt will work, others have confirmed, I have never tried. Other accessories will work also. The only thing you will run into is some cases do not have the hole for the front facing camera.
Galaxy S 4g(by Samsung)
>I give up trying to keep up. It changes everyday now!
Nexus S(by Samsung)
One X+(by HTC)
"I must be in to you, I haven't flashed a ROM in over a month." - Me (to my girl)