Forums roundup: Members are discussing a recent test of a modified Mac Pro using Intel's new quad core processors to achieve a total of eight cores -- benchmarks included.... One user questions whether he should purchase an 5th Generation iPod, comparing it to products such as Microsoft's Zune as well as questioning the strength of the iPod 'cool factor'.... Another user shares information on the apparently underclocked X1990XT found in Apple's Mac Pro, while others investigate ways to increase the clockspeed safely.... One user is looking for advice as they modernize his original 'clamshell' iBook--investigating ways to add AirPort wireless functionality and other technologies.... Meanwhile, one reader looks for help from fellow Mac users for solutions to his 'Mousehand' ailment.