Appleinsider provides last minute specs on the rumored iBook and PowerBook releases this week. According to the rumor site, the iBooks will start at 1.0GHz G4's for the 12" model and top out at 1.2GHz G4s for the top end. Meanwhile, PowerBooks will settle into two speeds. 1.33GHz G4s for the lower end, and 1.5GHz G4s for the highest end. Pricing is said to be comparable to current offerings with the exception of the 15" PowerBook/SuperDrive which may come in at $100 less.