Do I REALLY have to Odin back to stock?
Does this ROM have Exchange support?
Yes, although not by default. You must install the Samsung email application that can be found under the add-ons. (LINK)
Why do the 4 bottom lights stay on after a text/email/notification?
This is a feature called BLN (Back Light Notification) it can be disabled by downloading the BLN Control app from the Market or turning it off in CWM Recovery.
What are some of Serendipity's benchmark results?
To be honest we don't care. We aim to provide a smooth stable ROM for everyday use. (In other words, shove it!)
Why Does my mobile data display and "H" rather than "3G"
The H stands for HSPA and is faster than 3G.
How can I reduce my Wifi power consumption.
The Wifi sleep policy is preferably set to "When screen turns off" or "Never when plugged in".
Never use ROM Manager. EVER, EVER, EVER, EVER, EVER!