I have an iPhone 4 and thinking of buying my sister an iPad. My itunes library/program is located on my PC. Is it possible to some how sync my itunes account and library between my PC and laptop so both have exactly the same purchases? My sister can use my itunes account to buy stuff from...

I use AVS software for converting which seems to do a decent job. Ive noticed in the settings, the type of output file; Apple iPhone/iTouch/iPod - H-264, 640x480. Ive tried manually changing the screen res size to 960x640 but then itunes wont allow the video to transfer to the iPhone 4 because...

Which GPS apps require none or very little 3g/wifi usage when travelling? which also is good for both car use and walking. I was hoping to get the tomtom app but ive read it isnt good for walking around. I ask because im going to Prague, Czech in October and if I use the iPhone GPS app it uses...