When your plan with your operator includes flat rate GPRS service, it is conveniant to always be connected to GPRS. This saves you a few hands full of seconds every time you go online and let's face it, you want your HTC Wizard to be online! You can achieve this with the following tweak:
People have been asking wether having GPRS always on would affect the ability to use WIFI. Don't worry, WIFI connectivity prevails over GPRS or EDGE, so whenever you have a wireless connection available GPRS will be shut down.