got my logitech G15 and i use G1 for Firefox, G2 Itunes and G5 Thunderbird and i use my page forward for TS voice thingy and sometimes i use the G keys in games
i have the Logitech K400 and i use it for my TV and its great its not one you want to be typing large dokuments on but its good for surfing the web and stuff like that the touchpad is also good i haven't had
any problems with it