Radio
About FRS Radios - http://frsradio.iwarp.com/about.html
Provides an extensive amount of information about FRS radios mainly aimed at beginners and a section on buying the models.
PMR 446 - http://www.pmr446mania.com/
Has information about radios for enthusiast's and particularly on the MR446 2-way radios. Mainly aimed at newcomers.