Just read a story about an app on cydia that will let you use your iphone's basic calling features if jailbroken on ios 5 after a reboot. I' m gonna try it out and test let u know how it goes. Am i that impatient? Yep. Read story here.

http://mobiputing.com/2011/10/semitether-for-ios-5-relieves-some-of-the-tethered-jailbreak-pain/