Ok I just got my new Sony Ericsson Xperia X10, and Im wondering a few things. 1) Can you download apps from the computer and then transfer them to the phone? 2) I don't have a Wifi connection and I'm not getting a data plan. Does this basically make this phone lose all of its functions except calling and texting? 3) How to get wallpapers on my phone? 4) Is there a program like iTunes to download Music, Videos, Podcasts etc. and sync them to my phone? Thanks.