I am 13 yrs old and I need a new cell phone. Which one is better?

Virgin Mobile:
http://www.virginmobileusa.com/phones/phoneDetail.do?skuId=VMM100

Virgin Mobile:
http://www.virginmobileusa.com/phones/phoneDetail.do?skuId=VM1450

Boost Mobile:
http://www.boostmobilestore.com/bpdirect/boost/PhoneList.do?action=view#

[The Motorola i833e]


Thanks



[Which do you prefer. Service? Phone?]