Forum roundup: MacNN forum goers today are talking about the performance of the 2.0.1 upgrade for iPhone and iPod touch in a thread titled "Seeking 2.0.1 reviews ... is 2.0 out of beta?" A rather lengthy debate about the usefulness of the iPhone for a high school student was started by applesbiggestfan, a Fresh-Faced Recruit of the MacNN forums. A discussion regarding heat and fan noise differences between portable Macs such as the MacBook, MacBook Pro and MacBook Air can be found in this thread. What is the best processor upgrade for iMac G3, is the question posed by one Mac Enthusiast who gets advice from other members on different configuration options. Recommendations for the best hard drive to get for an iMac are discussed by forum members here.