If you are currently running an older version of CM9update.bin and want a better experience (faster performance, less lag, better app compatibility), you need to flash a newer firmware.
: Never start an update with a low battery. Connect the device to a stable power source cm69updatebin better
Always verify the MD5 hash of any "better" firmware found on forums. A corrupted .bin file is a one-way ticket to a dead device. If you are currently running an older version of CM9update
The primary "story" behind seeking a "better" update version usually involves: better app compatibility)