redsn0w 0.9.5 has just been released, which current only jailbreaks the iPhone 3G and is compatible with Mac OS X only. Go here for more details: http://bit.ly/adfB7e I've been able to add: gas-gauge-battery (adds native battery percentage) launch-application-while-animating (begins loading an app while the animation is occurring. apps load considerably faster. this is only found on the 3GS and iPT 3G) homescreen-wallpaper (obvious) multitasking (obvious) All of the above work great! Enabling launch-application-while-animating definitely makes apps load faster. Multitasking works great as well. I just don't know how to keep it from automatically backgrounding every since application I open. Any ideas on this? UPDATE1: Cellular data is broken after jailbroking on both EDGE and 3G. Wifi works fine. UPDATE2: MMS is also broken.