Which is better and can I make video calls on skype or oovoo on the t-mobile mytouch or on any other video website. Or is it only mytouch to mytouch. What about for the iphone 4. I am trying to pick which one i want to buy because there both are awesome but at first i was gonna get the ipone4 until i saw that new t-mobile commercial and now im not sure. so suggestions please.